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Leftover Garlic Mashed Potato Soup


  • Author: Mira
  • Total Time: 30 minutes
  • Yield: 4 servings

Description

Warm, creamy, and loaded with roasted garlic flavor, this Leftover Garlic Mashed Potato Soup is the perfect quick dinner idea or cozy lunch option. It’s a genius way to repurpose those leftover mashed potatoes into something new, comforting, and deeply flavorful. Whether you’re after an easy recipe to use up food or looking for healthy snack or dinner ideas, this soup checks every box. One pot, 30 minutes, and total satisfaction.


Ingredients

3 cups leftover garlic mashed potatoes

2 tablespoons butter

1 small onion, finely chopped

3 cloves garlic, minced or roasted

2 cups chicken or vegetable broth

1 cup milk or heavy cream

1/2 teaspoon salt (or to taste)

1/4 teaspoon black pepper

Optional: shredded cheese, green onions, bacon bits, sour cream


Instructions

1. In a large pot, melt the butter over medium heat. Add the onion and sauté until golden and soft, about 6-8 minutes.

2. Stir in the garlic and cook for another minute until fragrant.

3. Add the mashed potatoes and stir until fully combined with the onion and garlic.

4. Gradually pour in the broth, stirring to break up the potatoes and smooth the mixture.

5. Bring to a gentle simmer, then stir in the milk or cream. Season with salt and pepper.

6. Let it simmer for 5-10 minutes until fully heated through, stirring occasionally.

7. For a smoother texture, use an immersion blender to puree the soup (optional).

8. Serve hot with your favorite toppings like shredded cheese or green onions.

Notes

Don’t skip sautéing the onions—they add a deep, savory flavor to the soup.

If your mashed potatoes were heavily seasoned, taste the soup before adding extra salt.

To freeze, skip adding the cream and stir it in when reheating.

  • Prep Time: 10 minutes
  • Cook Time: 20 minutes
  • Category: Soup
  • Method: Stovetop
  • Cuisine: American

Nutrition

  • Serving Size: 1 bowl
  • Calories: 320
  • Sugar: 4g
  • Sodium: 580mg
  • Fat: 18g
  • Saturated Fat: 10g
  • Unsaturated Fat: 6g
  • Trans Fat: 0g
  • Carbohydrates: 34g
  • Fiber: 3g
  • Protein: 6g
  • Cholesterol: 50mg

Keywords: leftover mashed potatoes, garlic soup, quick dinner, cozy soup, creamy soup