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+ servings
leftover mashed potato soup in aa blue and white bowl
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Leftover Mashed Potato Soup

Leftover mashed potato soup reinvents your holiday side dish into a delicious next day meal. This creamy potato soup is thick, velvety and tastes like a completely new dish!
Prep Time5 minutes
Cook Time10 minutes
Total Time15 minutes
Course: Dinner, Entree, Lunch, Main Course, Soup
Cuisine: American
Servings: 6
Calories: 256kcal

Ingredients

  • 2 tbsp butter
  • 2 tbsp flour
  • 4 cups chicken broth
  • 1 cup whole milk
  • 4 cups leftover mashed potatoes
  • 1/2 cup shredded cheddar cheese
  • salt & pepper to taste
  • bacon bits, shredded cheese, sliced green onions for garnish (optional)

Instructions

  • Add the butter to a large pot set over medium heat. When melted add the flour, whisking to combine. Let cook an additional 30-60 seconds to cook off any floury taste.
    2 tbsp butter, 2 tbsp flour
  • Add the chicken broth 1 cup at a time, whisking to evenly combine between each pour. Once all of the broth has been completely incorporated, stir in the milk.
    4 cups chicken broth, 1 cup whole milk
  • Add the mashed potatoes and the cheese, stirring until combined.
    4 cups leftover mashed potatoes, 1/2 cup shredded cheddar cheese
  • Bring the soup to a simmer, then cook for 3-5 more minutes- stirring often, just until the soup's thickened to your preferred consistency. Season with salt and pepper, to taste.
    salt & pepper
  • Serve warm garnished with shredded cheese, crisp bacon bits, and/or slice green onions.
    bacon bits, shredded cheese, sliced green onions

Notes

  • Don't have leftover mashed potatoes? You can prepare instant mashed potatoes to the package directions and use them in the recipe as instructed. Be sure to make enough to yield four cups of mashed potatoes.
  • Want to make this a vegetarian soup? Skip the bacon garnish, and use vegetable broth in place of chicken broth.
  • Be careful not to let the flour butter paste cook longer than the additional 30-60 seconds called for. Stir it constantly during this time to prevent browning and/or burning.
  • Adjust the seasonings to your preference. We've added garlic powder, onion powder, seasoned salt, etc. It's hard to mess up potato soup!

Nutrition

Calories: 256kcal | Carbohydrates: 37g | Protein: 8g | Fat: 9g | Saturated Fat: 5g | Polyunsaturated Fat: 0.4g | Monounsaturated Fat: 2g | Trans Fat: 0.2g | Cholesterol: 27mg | Sodium: 730mg | Potassium: 539mg | Fiber: 3g | Sugar: 4g | Vitamin A: 284IU | Vitamin C: 32mg | Calcium: 135mg | Iron: 1mg