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Spinach Quiche with Potato Crust

While this recipe is delicious using ingredients exactly as listed, it’s also a smart way to make the most of any leftover potatoes and veggies. Use 2-1/2 cups leftover mashed potatoes and whatever cooked vegetables you have on hand. You can also substitute 1/2 pound Italian sausage for the bacon if you want a heartier quiche. —Heather King, Frostburg, Maryland
  • Total Time
    Prep: 25 min. Bake: 55 min. + standing
  • Makes
    8 servings


  • 1 package (24 ounces) refrigerated mashed potatoes
  • 2 tablespoons olive oil, divided
  • 8 ounces sliced fresh mushrooms
  • 2 garlic cloves, minced
  • 5 ounces frozen chopped spinach, thawed and squeezed dry (about 1/2 cup)
  • 6 bacon strips, cooked and crumbled or 1/3 cup bacon bits
  • 2 teaspoons minced fresh rosemary or 1/2 teaspoon dried rosemary, crushed
  • 4 large eggs
  • 1 cup 2% milk
  • 1/4 teaspoon pepper
  • 1 cup shredded cheddar cheese


  • Preheat oven to 350°. Press mashed potatoes onto bottom and up sides of a greased 9-in. deep-dish pie plate. Brush with 1 tablespoon oil. Bake 30 minutes or until edges are golden brown.
  • Meanwhile, in a large skillet, heat remaining oil over medium-high heat. Add mushrooms; cook and stir 3-4 minutes or until tender. Add garlic; cook 1 minute longer. Remove from heat. Stir in spinach, bacon and rosemary; spoon over crust. In a small bowl, whisk eggs, milk and pepper until blended; stir in cheese. Pour over mushroom mixture.
  • Bake 25-30 minutes longer or until golden brown and a knife inserted in the center comes out clean. Let stand 10 minutes before cutting.
Nutrition Facts
1 piece: 284 calories, 17g fat (7g saturated fat), 126mg cholesterol, 495mg sodium, 13g carbohydrate (3g sugars, 1g fiber), 12g protein.

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  • DDPLoeches
    Oct 28, 2015

    I wasn't really faithful to the recipe, just used it as a base, but my family enjoyed it. I left out the mushrooms, rosemary and bacon, but I diced up a couple pork chops to put in with the spinach. We'll do this one again. Oh, and it's not too hard to make it gluten free with the potato crust.

  • katibrown
    Aug 6, 2015

    Awesome recipe. I left out the rosemary because I didn't think I would like it, and it was perfect without.

  • bflogal77
    Apr 23, 2015

    I also shred 8 ounces of Swiss cheese, and n the milk and egg mixture, I ad about 1/2-1 teaspoon of nutmeg. This is a terrific party-goer quiche!

  • funkeedeva1
    Apr 23, 2015

    Can you substitute chicken for the bacon?My rating is based on the ingredients and the potential of the recipe.

  • PatLagace
    Mar 8, 2014

    Beautiful to look at and delicious to eat. The only change I would make is to cut back on the garlic as two cloves overpower the other flavours. Can't wait to eat the leftovers!

  • TheBanannie
    Jan 20, 2014

    This reheated well, tasted great, and made a filling snack during a busy day. I am going to try it with skins left on for an even more filling serving, and with sausage and bacon to get more protein. There is also great opportunity for different flavors in the mashed potatoes. The simplicity of the dish makes creativity possible, but it also tastes great without anything creative.