Slow Cooker Sausage and Potato Soup
Slow Cooker Sausage and Potato Soup is a creamy, comforting soup featuring tender russet potato and savory chicken sausage. It’s an easy weeknight dinner that fills the kitchen with warm, homey aromas and delivers satisfying bowls for two. Make it when you want a simple, cozy meal that feels lovingly homemade.
Prep Time 15 minutes mins
Cook Time 3 hours hrs 10 minutes mins
Total Time 3 hours hrs 25 minutes mins
Course Soups
Cuisine American
Servings 2 people
Calories 320 kcal
- 2 links chicken sausage cut into bite-sized slices Sliced into bite-sized pieces to provide protein and savory flavor; chicken sausage also contributes a smoky, seasoned backbone to the soup. Browning briefly before adding can deepen the flavor, while gentle slow-cooking keeps it tender and allows fats to enrich the broth.
- 1 yellow onion small, diced Diced finely to build the aromatic base and add subtle sweetness; onion softens during slow cooking and melts into the broth to enhance overall depth. Cooking until translucent releases natural sugars that balance the savory sausage and vegetables.
- 1 carrot peeled and diced Peeled and diced to add natural sweetness, texture, and body to the soup; carrots also contribute color and nutrients such as beta-carotene. Slow simmering makes them tender while releasing sugars that harmonize with the broth and other vegetables.
- 1 celery stalk diced Chopped to provide a fragrant, savory note and mild crunch when not overcooked; celery adds a classic mirepoix component that complements onion and carrot. Gentle cooking mellows its flavor and infuses the soup with aromatic complexity.
- 1 russet potato medium, cut into 1 inch cubes Cut into roughly 1-inch cubes to supply hearty starch, body, and a creamy texture as the potato breaks down slightly during cooking. Russet potatoes absorb flavors well and help thicken the soup while providing satisfying bite.
- 1 cup chicken broth low-sodium Poured in as the primary liquid to create the soup base and carry flavors; low-sodium chicken broth allows control over overall saltiness while adding savory umami. Using broth rather than water builds depth and integrates the ingredients into a cohesive soup.
- 1/2 cup milk Added for a touch of creaminess and to mellow the broth; milk enriches the soup without overpowering delicate flavors. Stirring in near the end of cooking helps prevent curdling and produces a smooth, comforting texture.
- 1 cup baby spinach rinsed and chopped Rinsed and chopped to introduce a fresh, leafy green element that brightens the soup and adds nutrients like iron and vitamins. Stirring spinach in toward the end preserves color and tender texture while integrating subtle vegetal freshness.
NOTE: It's very important that the milk NOT be added until the very end of cooking as stated below. For best results, in a small mixing bowl combine 1/2 cup liquid from the slow cooker to the milk before adding it back to the slow cooker.: It's very important that the milk NOT be added until the very end of cooking as stated below. For best results, in a small mixing bowl combine 1/2 cup liquid from the slow cooker to the milk before adding it back to the slow cooker. : As you prepare, you will notice a warm, savory aroma from the cooker. The reason we temper the milk by mixing it with a bit of hot soup liquid first is to prevent curdling and to gently raise the milk temperature, preserving a smooth texture. When you combine the two, you should see the milk become slightly warmed and glossy, which is the signal it's ready to be added. A common misstep is pouring cold milk straight into the hot pot, which can seize or create a grainy texture, so take the extra minute to temper it properly. If the milk looks separated after adding, stir gently and warm on low a few minutes to coax it back together.
In a 2- or 3-quart slow cooker, combine the first five ingredients. Cover and cook on low 6-8 hours or on high 3-4 hours, until the chicken sausage is cooked through and the potatoes are tender.: As everything simmers slowly, you will hear the quiet, steady bubble and smell onions and sausage melding; the sound is subtle but reassuring. The chicken sausage will release savory fats and the russet potato will soak up the broth, making the liquid slightly thicker and clouded with starch. This long, gentle cook allows flavors to marry and vegetables to become yielding without falling apart if you stick to the recommended size for the potato cubes. Avoid lifting the lid too often, a frequent check drops heat and lengthens cook time. If after the listed cook time potatoes are still firm, extend cooking in thirty minute increments rather than increasing heat dramatically.
Just before turning off the slow cooker, add the milk and spinach and allow to cook just until spinach is wilted and soup heated through, about 5-10 minutes.: At this stage the soup will smell rich and the broth will shimmer with a light sheen from the sausage. When you add the tempered milk and scattered baby spinach , you should hear a soft hiss as the hot liquid meets cooler components. Within a few minutes the spinach will collapse into delicate folds and the milk will thicken the broth slightly, giving a velvety mouthfeel. The visual cue to stop heating is vibrant green spinach and a uniformly warmed soup; once you see that, remove the lid. A mistake to avoid is letting it sit on high for too long after adding the milk, which can break the milk down and dull the fresh spinach.
- Slice the sausage evenly. Even slices allow the chicken sausage to heat uniformly, releasing its flavor into the broth. If slices are uneven some pieces may overcook or remain cold in the center.
- Keep the potato cubes consistent. Cutting the russet potato into 1 inch cubes ensures the pieces reach perfect tenderness at the same time, avoiding a mix of mushy and undercooked bites.
- Temper the milk. Mix a few spoonfuls of hot broth into the milk before adding it to the cooker to prevent curdling and preserve a smooth, creamy texture.
- Add the spinach at the end. The baby spinach only needs a short time to wilt, which keeps its bright color and fresh flavor from being lost in prolonged cooking.
- Choose low sodium broth. Starting with a low sodium chicken broth gives you control over final seasoning and prevents the soup from becoming too salty as it reduces.
Keyword creamy chicken sausage soup, easy weeknight soup, potato soup for two, slow cooker sausage soup