Cream of Mushroom Soup
Cream of Mushroom Soup is a creamy, savory bowl that highlights earthy mushrooms and silky heavy cream. This easy weeknight soup offers rich umami depth, smooth texture, and quick preparation making it perfect for chilly evenings or casual dinners. Make it to warm up, to impress guests without fuss, and to enjoy a comforting, restaurant quality bowl at home.
Equipment
- Large Pot
- Whisk
- Knife
Ingredients
- 1 tablespoon butter Melted to provide a rich base and help sauté aromatics; contributes a silky mouthfeel and enhances flavor when browning onions and mushrooms. Use at the start of cooking to carry fat-soluble flavors and prevent sticking. Integrates with flour to create a roux that thickens the soup.
- 1 small diced onion Diced to add sweetness and depth; softens and releases natural sugars that balance the earthiness of mushrooms. Cook until translucent to build a flavorful foundation for the soup. Complements garlic and herbs for a layered savory profile.
- 1 pound sliced baby Bella mushrooms Sliced to deliver the primary umami character and meaty texture; browning intensifies flavor through caramelization and reduces moisture for a concentrated taste. Add gradually to allow even searing and prevent steaming. Provides body and distinctive mushroom aroma central to the soup.
- 1/4 cup all-purpose flour Sprinkled in to thicken the broth and create a creamy, smooth consistency when cooked with fat; absorbs flavors and stabilizes the soup structure. Whisk into melted butter and cooked vegetables to form a light roux before adding liquid. Controls viscosity without relying solely on cream.
- 1 teaspoon Italian seasoning Sprinkled to introduce an aromatic blend of Mediterranean herbs that brightens and rounds savory flavors; complements mushrooms with oregano, basil, and rosemary notes. Add early to let the dried herbs rehydrate and meld with the base. Enhances overall seasoning complexity.
- 1 teaspoon fresh thyme Added fresh to impart a subtle, slightly floral and lemony herbaceousness that lifts the soup; thyme pairs naturally with mushrooms and enriches savory depth. Use either whole or chopped sprigs during simmering and remove stems if needed. Finishes the broth with a nuanced herbal note.
- 3 cloves minced garlic Mincing to release pungent, savory oils that deepen umami and provide aromatic warmth; adds a sharp counterpoint to the earthiness of mushrooms. Sauté briefly to mellow harshness and unlock flavor without burning. Blends into the base to create cohesive garlicky undertones.
- salt and pepper Seasoning with salt and pepper to balance and enhance all other flavors; salt amplifies savory notes while pepper adds gentle heat and complexity. Adjust gradually during cooking and taste before serving to achieve the desired balance. Use both to prevent a flat or overly bland soup.
- 4 cups chicken broth Added as the primary cooking liquid to build savory depth and body; contributes saltiness and meaty undertones that complement mushrooms. Pour gradually into the roux and simmer to extract flavors and meld ingredients. Can be adjusted for sodium level or swapped for vegetable broth if desired.
- 1 cup heavy cream Stirred in to create a luxurious, creamy finish and add richness; smooths textures and rounds flavors for a velvety mouthfeel. Add near the end of cooking and warm gently to avoid curdling. Balances the thickness from the roux and enhances overall indulgence.
Instructions
- In a large pot add the 1 tablespoon butter, 1 small diced onion, and 1 pound sliced baby Bella mushrooms. Cook over medium-high heat until tender.: As the butter melts and hits the warm pot you will hear a gentle sizzle from the mushrooms , and soon the onion softens into translucence while the mushrooms release their liquid. The air will fill with an earthy, savory aroma, signaling that the Maillard browning is beginning, which is crucial for deep flavor. Stir occasionally so nothing sticks, and watch for the mushrooms to shrink and take on golden edges. A common mistake is overcrowding the pot, which steams not sautés the mushrooms, so give them space for good color.
- Whisk in the 1/4 cup all-purpose flour, 1 teaspoon Italian seasoning, 1 teaspoon fresh thyme, 3 cloves minced garlic, and salt and pepper. Stir until everything is coated.: When you add the flour , it will coat the softened vegetables and form a dry layer that starts to smell toasty as it cooks, which helps thicken the soup later. The herbs and garlic will bloom in the warm fat, releasing fragrant oils that lift the base notes. Use a whisk to fully incorporate the flour so you avoid lumps, and cook until the raw flour scent mellows. If you undercook the flour you may taste a pasty note in the finished soup, so give it a minute or two to toast slightly.
- Add in the 4 cups chicken broth and simmer over medium-high heat for 5-7 minutes. Add in the 1 cup heavy cream and let simmer for 3-5 more minutes.: As the chicken broth hits the pot you will hear a soft bubbling and see the mixture loosen into a light, savory broth. Simmering at a lively but controlled boil helps dissolve the browned bits from the pot and allows the flavors to meld while the flour begins to thicken the liquid. You should notice the aroma deepen and the texture become silkier. Avoid boiling too hard, which can break down delicate aromatics and over reduce the liquid, making the soup too intense.
- Add in the 1 cup heavy cream and let simmer for 3 to 5 more minutes: When you pour in the heavy cream the soup will mellow and take on a glossy sheen, the surface showing gentle ripples as it warms. A short additional simmer brings the soup to a harmonious balance, rounding sharp edges and creating a luscious mouthfeel. Keep the heat moderate so the cream warms evenly without separating; a rapid boil can cause splitting. If the soup shows any sign of curdling, lower the heat and whisk gently until it smooths back out.
Notes
- Swap to vegetable broth: Use vegetable broth instead of chicken broth for a vegetarian friendly version while preserving the savory backbone of the soup.
- Partially blend for texture: Pulse with an immersion blender until half the soup is smooth, leaving visible mushroom pieces to create a pleasing contrast of silk and bite.
- Finish with a drizzle: Stir in a small splash of extra heavy cream at the end for an elegant glossy finish and richer mouthfeel without changing the structure.
- Add fresh herbs at the end: Sprinkle chopped fresh thyme or a pinch of Italian seasoning just before serving to lift the aromatic profile and add a vibrant note.
- Adjust seasoning gradually: Season with salt and pepper in stages, tasting as you go to avoid over salting once the broth reduces.