Leftover Mashed Potato Soup with Corn and Poblanos

  • Level: Easy
  • Yield: 6 to 8 servings
  • Total: 35 min
  • Active: 25 min
How can you make a luscious, creamy potato soup in just 30 minutes? Leftover mashed potatoes! This comforting soup has a cooked-all-day flavor but comes together with minimal time and effort.
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Ingredients

3 cups low-sodium chicken broth

3 tablespoons unsalted butter 

1 yellow onion, finely diced 

3 celery stalks, finely chopped 

2 poblano peppers, stems and seeds removed, finely chopped 

Kosher salt and freshly ground black pepper  

3 cloves garlic, smashed and roughly chopped  

4 cups leftover mashed potatoes (see Cook’s Note) 

2 cups frozen corn  

Chopped chives, for garnish  

Directions

  1. Warm the chicken broth in a small saucepan. Heat a large Dutch oven over medium heat. Add the butter and cook until melted, then add the onions, celery, poblanos, 1 teaspoon salt and 1/2 teaspoon pepper. Cook, stirring frequently, until the vegetables begin to soften and the onions are translucent, about 5 minutes. Add the garlic and cook for an additional 2 minutes.
  2. Raise the heat to high, add the chicken broth and bring to a simmer. Add the mashed potatoes and use a wooden spoon or a whisk to incorporate them into the broth. The potatoes should melt into the broth, leaving no lumps. Bring the mixture to a boil, then turn the heat down to low, cover and simmer for 10 minutes.  
  3. Add the frozen corn and cook until the corn is heated through, about 2 minutes. Season to taste with salt and pepper. Ladle the soup into bowls and garnish with chives.

Cook’s Note

Feel free to use any type of leftover mashed potatoes you have on hand.

Let's Get Cooking!

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Nancy

This was outstanding. A nice contrast to all the super thick and creamy recipes out there. Substantial and flavorful but not pasty. I only had a scant 3 cups of leftover mashed potatoes and the recipe still turned out. great. Thanks Valerie!

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