20-Minute Shortcut Baked Potato Soup Recipe (6 Ingredients) by Donna John

20-Minute Shortcut Baked Potato Soup Recipe (6 Ingredients)

Soup season is officially upon us. Nothing comforts you like a creamy bowl of potato soup. I'll bet you know exactly what I'm talking about! But sometimes you want a shortcut recipe to speed up the cooking process. This fast and easy potato soup recipe uses mashed potatoes, so no peeling and boiling fresh potatoes. (Yes, fresh is best but sometimes quick is what you need.)

This creamy baked potato soup recipe is ready in about 20 minutes, so it's easy enough to make for lunch. This is a great way to use up leftover mashed potatoes, and dinner is served, simply and deliciously. 

Top a steaming hot bowl of this potato soup with chopped green onions, crumbled crisp bacon and more grated cheddar cheese. You could even add a dollop of sour cream for extra creaminess. 

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Cuisine: American
Prep Time: 5 minutes
Cook Time: 15 minutes
Total Time: 20 minutes

Servings: 3


  • 1/3 cup flour
  • 3 cups milk
  • 2 1/2 – 3 cups mashed potatoes
  • 1/3 cup grated cheddar cheese
  • 1/2 cup sour cream or plain yogurt
  • 1/4 cup chopped green onions

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Recipe Notes

  • This potato soup recipe can easily be doubled.
  • You could add some cooked chopped bacon.
  • Store the soup in an airtight container. Reheat in the microwave, adding more milk, if needed, to loosen the soup up.

Here's how to make it:

  1. In a soup pot, combine the milk and flour and whisk until smooth. Bring to a boil and cook about 1 minute. Add the mashed potatoes, cheddar cheese, and salt and pepper, to taste. Cook over medium-low heat about 3 minutes.
  2. Turn the heat to low and add the sour cream or yogurt and the green onions. Cover and cook on low about 10 minutes. Taste and add more salt and pepper, if needed. Serve with desired toppings. 

Nutrition Facts Per Serving

Calories: 509

Total Fat: 20.3g

Saturated Fat: 11.8g

Cholesterol: 55mg

Sodium: 765mg

Total Carbohydrate: 64.1g

Dietary Fiber: 0.6g

Total Sugars: 11.4g

Protein: 19.5g

Vitamin D: 3mcg

Calcium: 484mg

Iron: 2mg

Potassium: 958mg

Recipe cooking times, nutritional information and servings are approximate and provided for your convenience. However, 30Seconds is not responsible for the outcome of any recipe, nor may you have the same results because of variations in ingredients, temperatures, altitude, errors, omissions or cooking/baking abilities. This recipe has been analyzed by VeryWellFit. However, any nutritional information is provided as a courtesy and it is up to the individual to ascertain accuracy. To ensure image quality, we may occasionally use stock photography.

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Francielle Daly
Just made this! Everyone even my oldest said it was soooo yummy! So easy and quick!
Donna John
Yeah! So glad​ y'all enjoyed it!!
Elisa Schmitz
Oh my goodness, where has this recipe been all my life? Sounds delicious and I'm going to make it during this polar vortex. Thank you, Donna John !

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