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Potato-Crust Pizza

We grow potatoes and found this recipe is a great way to use up leftover mashed potatoes. This dish is a favorite among our family and friends.
  • Total Time
    Prep: 10 min. Bake: 25 min.
  • Makes
    4-6 servings


  • 3 cups mashed potatoes (prepared with milk)
  • 1 large egg, beaten
  • 1/2 cup grated Parmesan cheese
  • 2 tablespoons butter, melted
  • 1-1/2 teaspoons salt
  • 1 can (8 ounces) pizza sauce
  • 3 ounces sliced pepperoni
  • 4 fresh mushrooms, sliced
  • 1 cup shredded mozzarella cheese


  • In a bowl, combine potatoes, egg, Parmesan cheese, butter and salt. Press onto bottom and up the sides of a greased 10-in. pie plate. Spread pizza sauce over potato mixture to within 1/2 in. of edges. Top with pepperoni and mushrooms. Sprinkle with mozzarella cheese. Bake at 400° for 25-30 minutes or until heated through and cheese is melted.
Editor's Note: An 11x7x2-in. baking dish can be used instead of the pie plate.
Nutrition Facts
1 piece: 293 calories, 18g fat (9g saturated fat), 79mg cholesterol, 1518mg sodium, 22g carbohydrate (3g sugars, 3g fiber), 13g protein.

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Average Rating:
  • Ki
    Feb 19, 2020

    Thank you I was looking for a healthier alternative to pizza and this works

  • Patricia
    Nov 13, 2016

    Not to my taste. Mashed potatoes did not make a good crust - it tasted like mashed potatoes with pizza toppings. I will not make it again. I even tried pre-baking the 'crust' so it would have a chance to dry out a little bit.