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Creamy Broccoli Tahini Soup

Creamy Broccoli Tahini Soup

Creamy Broccoli Tahini Soup blends silky potatoes, verdant broccoli, and nutty tahini into a luscious, comforting bowl. This creamy, savory soup is perfect for an easy weeknight dinner or a cozy lunch, with warm spices that add depth without fuss. Make it when you want a nourishing, plant forward meal that still feels indulgent and satisfying.
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Prep Time 15 minutes
Cook Time 45 minutes
Total Time 1 hour
Course Soups
Cuisine Mediterranean
Servings 8 servings
Calories 210 kcal

Equipment

  • Large Pot
  • Food Processor
  • Immersion Blender

Ingredients
  

  • 2 tablespoons extra virgin olive oil Enhance the soup's mouthfeel and provide a subtle fruity base flavor while gently sautéing aromatics and preventing sticking; extra virgin olive oil also helps carry fat-soluble flavors and gives a glossy finish to the finished broth.
  • 1 large yellow onion, minced Add a sweet and savory foundation by releasing natural sugars and aromatic compounds when minced finely; yellow onion contributes body and depth as it softens and caramelizes during the initial sauté.
  • 2 teaspoons crushed garlic Introduce a pungent, savory kick and aromatic sharpness when crushed; garlic brightens savory flavors and complements the onion while melding with spices as it cooks briefly.
  • 1 1/2 pounds russet potatoes, peeled and diced (about 3 medium potatoes) Contribute creamy texture and natural starch to thicken the soup while providing a mild, earthy flavor when peeled and diced; russet potatoes also help create a smooth, velvety consistency after blending.
  • 5 -6 ounces parsnip, peeled and chopped Offer a sweet, slightly nutty root-vegetable note and additional body once peeled and chopped; parsnip complements the potatoes by adding complexity and a hint of sweetness to the broth.
  • 2 bay leaves Infuse subtle herbal and slightly floral notes during simmering without overpowering the dish; bay leaves add depth and an undercurrent of savory complexity while being removed before serving.
  • 8 cups vegetable broth Provide the liquid base and savory backbone that carries and dissolves flavors from aromatics and spices; vegetable broth also contributes umami and salt balance to the soup.
  • 1 pound broccoli florets (about 3 heads of broccoli - if weighing with stems, 1 1/2 lbs) Supply bright green vegetal character and a fresh, slightly bitter edge that contrasts the creamy base; broccoli florets also add nutrients and texture that blend into a vibrant, wholesome puree.
  • 1/4 cup chopped fresh dill Lend a fresh, anise-like herbal brightness and a fragrant finish when chopped and stirred in near the end or used as garnish; fresh dill also complements broccoli and tahini flavors.
  • 3/4 teaspoon cumin Introduce warm, earthy undertones and a slight smokiness to the spice profile; cumin enhances savory depth and pairs well with root vegetables and tahini.
  • 1/4 teaspoon cinnamon Add a warm, sweet, and slightly woody background note that deepens the spice complexity; cinnamon should be used sparingly to accentuate sweetness in the soup.
  • 1/4 teaspoon cayenne pepper (if sensitive to spice, use just a pinch) Provide controlled heat and a lively spiciness that lifts the overall flavor; cayenne pepper should be adjusted to taste to avoid overpowering the delicate vegetables.
  • Pinch cardamom Contribute a small, floral-citrus warmth and aromatic lift with minimal quantity; cardamom adds an intriguing complexity that pairs subtly with cinnamon and tahini.
  • Salt and pepper Season and balance flavors by enhancing natural sweetness and controlling bitterness; salt and pepper are adjusted to taste to bring out the full profile of the soup.
  • 1/2 cup tahini paste (from raw seeds is best) Add a rich, nutty, and slightly bitter creaminess that emulsifies into the soup for silky texture; tahini also lends sesame flavor and helps achieve a luscious, satisfying mouthfeel.
  • Fresh dill for garnish (optional) Finish with a bright, herbaceous garnish that adds color and fresh aroma when sprinkled on top; fresh dill provides an optional visual and flavor accent to each bowl.

Instructions
 

  • Heat the olive oil in a large pot over medium. Add the minced onion and saute for about 10 minutes, till softened. Add the garlic and saute for another 2 minutes till fragrant.: The first sign you are on the right track is the sheen that forms across the bottom of the pot and the gentle shimmer of the extra virgin olive oil , releasing a soft, fruity aroma. As the oil warms, it becomes a flavor carrier for the minced onion , allowing sugars to bloom and aromatics to develop. Listen for a barely audible sizzle when you add the onion, and watch the pieces go from raw and opaque to translucent and glossy. The technique matters because properly softened onion yields a sweet, savory base rather than a sharp, raw bite. A common mistake here is overheating the oil and burning the onion, which will impart bitterness; if you notice dark edges, lower the heat and add a splash of broth to cool the pan.
  • Stir in the diced russet potatoes, parsnip, and bay leaves. Cover the ingredients with vegetable broth, stir, and bring to a boil. Let the ingredients simmer for about 20 minutes till the potatoes and parsnips are soft.: As the onion sautés, the kitchen fills with a mellow, sweet scent and the pieces collapse and caramelize lightly at the edges. These visual cues indicate the Maillard reactions that build depth. Stir periodically to prevent sticking, and aim for a tender, slightly golden result rather than heavy browning. If the onion starts to brown too fast, reduce the heat; cooking slowly ensures a rounder flavor that will meld into the soup.
  • Meanwhile, remove the broccoli florets from their stems (you should end up with about 1 lb of florets) and place them into a food processor. Pulse till the florets have been chopped into tiny pieces. If you have a smaller food processor, you may have to do this in batches. You can also chop the broccoli by hand, but make sure it is chopped very fine-- this will speed cooking time, ensuring that the broccoli stays green and retains its vitamins.: When you add the crushed garlic , you should immediately notice a sharp, fragrant lift that quickly mellows as it warms. Garlic cooks very fast, so two minutes is usually enough to release its aromas without turning bitter. Keep the heat moderate and stir constantly. Avoid letting the garlic darken, since burned garlic produces unpleasant bitterness that can overshadow the tahini.
  • When the potatoes and parsnip have softened, remove the bay leaves. Add the chopped broccoli florets to the soup along with the chopped dill, cumin, cinnamon, cayenne and cardamom. If you're sensitive to spice, add the cayenne with care-- it's spicy! Using 1/4 tsp as the recipe suggests will give it a slight kick, which I really like. Bring the soup back to a simmer for about 5 minutes till the broccoli has softened. While the broccoli cooks, season with salt and pepper to taste. I use about 3/4 tsp of salt and a dash of pepper, more or less, depending on how salty my vegetable broth is.: Introducing the 1 1 2 pounds russet potatoes , 5 6 ounces parsnip , and 2 bay leaves adds substance and structure to the pot. The potatoes begin to release starches that will thicken the soup, while the parsnip contributes a gentle sweetness. The bay leaves offer a subtle herbal backbone as they steep. Make sure the diced pieces are uniform so they soften evenly; uneven cuts can leave some pieces undercooked and others mushy. A common oversight is not rinsing excess starch from potatoes, which can cause clumping in thinner broths.
  • As soon as the broccoli softens, remove from heat. Stir in 1/2 cup tahini paste till smooth. Use an immersion blender to blend the soup till it's pureed and creamy. Serve hot. Garnish each bowl with a small sprig of fresh dill, if desired.: Pouring in the 8 cups vegetable broth is when the pot transitions from sauté to simmer. Stir to incorporate any browned bits on the bottom, then increase the heat until the liquid reaches a steady boil, visible as rolling bubbles and rising steam. The sound becomes more pronounced as it approaches boiling. Boiling briefly then lowering to a simmer is key because a high boil can break down the vegetables too aggressively. One pitfall is covering and keeping the heat too high, which may cause rapid boil over or uneven cooking.
  • Notes: for a slightly thinner, more appetizer-like soup texture, reduce 1 1/2 lbs of potatoes to 1 lb of potatoes. If you aren't worried about keeping the soup vegan, you can use chicken broth in the place of vegetable broth. For those who don't have an issue with gluten, I highly recommend serving the soup in a sourdough bowl, or stirring in a few toasted sourdough pieces to soak up the soup. Delish!: During this simmer, the kitchen smells like warm, savory comfort and the vegetables slowly collapse into tenderness. Test doneness by piercing a potato cube with a fork; it should slide through with little resistance. This time lets starches mellow and flavors marry. If the pieces are still firm, continue simmering and check every five minutes. Overcooking will produce a gluey texture, while undercooking will result in a grainy, under blended soup.
  • Meanwhile, remove the broccoli florets from their stems and place them into a food processor: While the roots simmer, the prep of the 1 pound broccoli florets speeds the later cooking step. Processed finely, the broccoli softens quickly and blends smoothly into the soup, preserving its vivid green color. The food processor should pulse in short bursts until the pieces are finely chopped. If you skip this and add large florets, they will take longer to cook and may not integrate into the creamy texture as well. If you do not have a food processor, chopping by hand is fine, but be meticulous to achieve a fine dice.
  • Pulse till the florets have been chopped into tiny pieces: The chopped broccoli should look almost granular, with little florets reduced to tiny flecks. This increases surface area so the broccoli softens quickly in the simmering broth and blends into the soup without large fibrous bits. The aroma at this stage is fresh and green, signaling that vitamins and chlorophyll remain intact. A common mistake is over processing into a paste, which can make the soup feel grainy rather than naturally creamy after blending.
  • When the potatoes and parsnip have softened, remove the bay leaves: Pulling out the bay leaves prevents their sharp, bitter edges from intensifying during further cooking. At this point the pot should have a gentle steam and the broth tasting rounded and savory. Removing the leaves also avoids unexpected leathery bits in the final puree. Forgetting to remove them can leave an unpleasant textural surprise in the blended soup.
  • Add the chopped broccoli florets to the soup along with the chopped dill, cumin, cinnamon, cayenne and cardamom: Adding the chopped broccoli florets , 1 4 cup chopped fresh dill , and the spice mix introduces bright herbal and warm aromatic layers. Smell the pot as these ingredients hit the hot liquid; the scent shifts from starchy to lively and complex. The spices bloom in the hot broth, releasing oils that deepen the flavor. Be cautious with the 1 4 teaspoon cayenne pepper if you are sensitive to heat, and taste the broth as the flavors meld to avoid over spicing.
  • Bring the soup back to a simmer for about 5 minutes till the broccoli has softened: A brief simmer allows the broccoli to cook through while preserving its color. The surface will show gentle ripples and the aroma will be green and aromatic. Five minutes is generally sufficient when the broccoli is finely chopped. Over simmering can dull the green and flatten the flavors, so keep a close eye and check fork tenderness.
  • While the broccoli cooks, season with salt and pepper to taste: Tasting the pot now helps you calibrate seasoning before the tahini changes the soup's profile. Season incrementally, since the vegetable broth may already contain sodium. I usually start with a modest amount and refine after blending. A common error is oversalting early, which becomes harder to correct once the tahini has been incorporated.
  • As soon as the broccoli softens, remove from heat: Pulling the pot from the heat at the right moment preserves the fresh green notes of the broccoli and prevents the spices from turning bitter. The surface will still be gently steaming, and the ingredients will be tender but not falling apart. Leaving the pot on residual heat can push the flavors into an overcooked zone, so act promptly for best results.
  • Stir in 1/2 cup tahini paste till smooth: When you add the 1 2 cup tahini paste , it thickens and enriches the liquid, producing a silky mouthfeel and a savory nuttiness. Stirring until smooth ensures even distribution and prevents pockets of concentrated tahini. The aroma becomes slightly toasted and nutty, and the texture transitions toward luxuriousness. If the tahini looks clumpy, whisk vigorously and consider adding a splash of broth to help it emulsify.
  • Use an immersion blender to blend the soup till it's pureed and creamy: Blending transforms the pot into a cohesive, velvety soup. As the blade moves, you will notice the color become uniformly pale green and the texture glossy. The sound shifts to a steady whir and the smell mellows into a harmonious whole. Take care to keep the blender moving and avoid over aerating, which can add foam. If you do not have an immersion blender, transfer the soup to a standing blender in batches, but be cautious with hot liquids to avoid splatter.
  • Serve hot and garnish each bowl with a small sprig of fresh dill: The final step is presentation and contrast. Ladle into bowls while hot so the aromas lift, and add a small sprig of fresh dill for color and freshness. The first spoonful should feel warm and silky, with nutty tahini and bright herbaceous notes dancing together. A typical mistake is serving lukewarm soup, which flattens flavors, so serve promptly.

Notes

  • Boost the protein by stirring in cooked legumes like lentils after blending, which will subtly thicken the soup and add hearty plant protein without changing the core flavors.
  • Make it thinner for an appetizer by reducing the amount of russet potatoes used, or by adding an extra cup or two of vegetable broth to achieve a lighter, brothlike texture ideal for a starter.
  • Increase the herbal brightness by folding extra chopped dill into the soup just before serving, which lifts the final bowl and adds a fresh contrast to the tahini richness.
  • Mildly spicy option: scale the 1 4 teaspoon cayenne pepper back to a pinch if you prefer a gentler warmth, and add it gradually while tasting so you control the heat precisely.
  • Make ahead and reheat by storing the soup in an airtight container in the refrigerator for up to three days, reheating gently on the stovetop while stirring to preserve texture and color.
Keyword broccoli tahini soup, creamy vegan soup, easy weeknight soup, tahini broccoli recipe