Sausage Potato Soup

I made this the first really cold night of the year, mostly because I didn’t want to think about dinner for longer than 30 minutes. One pot, one pound of sausage, and whatever potatoes were sitting in the pantry. It’s stayed in rotation ever since, not because it’s fancy, but because it isn’t.

This is a chowder-adjacent soup — thick, cheesy, a little smoky from the sausage — and it comes together almost entirely in a single Dutch oven. No draining, no separate pans to wash.

Why This Works

Browning the sausage first, before anything else goes into the pot, does two things. It renders enough fat to sauté the onion, carrot, and celery without adding oil, and it leaves behind browned bits on the bottom of the pot that flavor everything that follows. Skip that step — or rush it — and the soup tastes flatter, more like boiled vegetables in broth than something with any depth to it.

The cornstarch slurry matters more than it looks like it should. Cornstarch mixed into cold milk before it hits the hot soup keeps the dairy from breaking, and it’s what turns this from a thin broth into something that coats a spoon. Add the milk on its own, straight into a simmering pot, and you risk curdling — the slurry sidesteps that entirely. [PLACEHOLDER: note the time you skipped the slurry step and the soup split, if that’s happened to you.]

Ingredients

• 1 pound mild Italian sausage
• 3/4 cup yellow onion, chopped
• 3/4 cup carrots, diced
• 3/4 cup celery, sliced
• 1 tablespoon garlic, minced
• 1 teaspoon dried basil
• 1 teaspoon dried parsley
• 3/4 teaspoon salt
• 1/4 teaspoon black pepper
• 4 cups potatoes, peeled and diced
• 4 cups chicken broth
• 1 1/2 cups milk
• 3 tablespoons cornstarch
• 1 1/2 cups sharp cheddar cheese, shredded

Instructions

1. In a large 6-quart pot over medium-high heat, brown the sausage for 2–3 minutes.
2. Add the onion, carrots, and celery. Cook and stir until the onion turns translucent, about 2–3 minutes more.
3. Stir in the garlic, basil, parsley, salt, and black pepper.
4. Add the potatoes and pour in the chicken broth.
5. Bring to a boil, cover, and cook over medium heat, stirring occasionally, until the potatoes are tender — 10 to 12 minutes.
6. In a separate bowl, whisk together the milk and cornstarch.
7. Pour the slurry into the soup while stirring.
8. Bring the soup back to a slow boil, stirring, until it thickens.
9. Turn off the heat and stir in the cheese until melted and combined.
10. Keep the soup over very low heat, stirring occasionally, so the cheese and milk don’t scorch on the bottom.

Prep Time: 10 minutes Cook Time: 20 minutes Total Time: 30 minutes Servings: 6 Calories: 566 kcal per serving Equipment: Dutch oven

Tips

• Dice the potatoes small and even — anything larger than about 3/4 inch won’t cook through in the 10–12 minute window, and you’ll end up simmering longer than the recipe calls for just to catch them up.
• Pull the pot off high heat before adding the cheese. Cheddar melted into a hard boil tends to go grainy instead of smooth.
• Low heat after the cheese goes in isn’t optional — this soup sits at the bottom of the pot, and milk-and-cheese mixtures scorch fast once they’re thick.

Variations

Swap the mild Italian sausage for hot Italian if you want more heat running through the broth — it holds up fine against the cheddar. I wouldn’t swap the chicken broth for vegetable broth and skip the sausage entirely, though; the smokiness the sausage brings is doing a lot of the flavor work here, and a meatless version of this soup tends to taste unfinished.

Make-Ahead

The base — sausage, vegetables, potatoes, and broth — holds up fine in the fridge for a few days and reheats well. Don’t add the milk, cornstarch, and cheese until you’re ready to serve. Reheating a soup that already has dairy and cheese in it tends to break the texture; it separates instead of coming back together smooth.

FAQ

Closing Thoughts

This is a soup I’ll ladle over a split baked potato when I want it to stretch further, or serve with a crusty loaf for tearing straight into the broth. Either way, it’s a pot that doesn’t sit around long once it’s on the stove.