Spinach and Sweet Potato Sheet-Pan Quiche

Don't stress over your homemade pastry, this one requires no fancy edges or fluting, just press it into the pan, add the quiche fillings, and bake. After 40 minutes in the oven, you'll have a quiche recipe that serves a crowd.

sheet-pan quiche
Photo: Blaine Moats
Hands On Time:
15 mins
Total Time:
65 mins


  • 2 ½ cup all-purpose flour

  • 2 teaspoon salt

  • 1 cup butter, cut up

  • ¼ - ⅓ cup ice water

  • 6 slices bacon

  • 2 medium sweet potatoes (about 8 ounces each), peeled and coarsely chopped

  • 1 cup chopped onion

  • 2 cloves garlic, minced

  • 6 cup fresh baby spinach

  • 10 eggs

  • 2 ½ cup milk

  • ½ teaspoon salt

  • ¼ teaspoon ground black pepper

  • 1 tablespoon chopped fresh herbs (such as thyme, rosemary, or sage)


  1. Preheat oven to 375°F. Grease a 15x10-inch baking pan. In a food processor pulse to combine flour and the 2 teaspoons salt. Add butter; pulse until mixture resembles fine crumbs. Add ice water 1 Tablespoon at a time, until dough just starts to come together.

  2. Transfer dough to prepared pan. No rolling required: Press dough firmly and evenly into the bottom of the pan. (Egg mixture will cover any mistakes.) Bake 10 minutes.

  3. Meanwhile, in an extra-large skillet cook bacon over medium until crisp. Move bacon to paper towels to drain, reserving drippings in skillet. Chop or crumble bacon.

  4. Add potatoes, onion, and garlic to skillet. Cook and stir for 5 to 6 minutes or until potatoes are just tender. Gradually add spinach, stirring until just wilted. Spread spinach mixture evenly over hot crust.

  5. In a large bowl whisk together eggs, milk, 1/2 teaspoon salt, and 1/4 teaspoon ground black pepper. Stir in herbs. Slowly pour egg mixture over spinach mixture. Sprinkle with bacon.

  6. Bake 40 to 45 minutes or until egg mixture appears set. Let cool 10 minutes. Serves 12.

Make Ahead

Allow quiche to cool 30 minutes. Cover and refrigerate overnight. Before serving, bake in a 375°F oven for 15 minutes or until an instant read thermometer reads 165°F.

Nutrition Facts (per serving)

433 Calories
28g Fat
32g Carbs
13g Protein
Nutrition Facts
Servings Per Recipe 12
Calories 433
% Daily Value *
Total Fat 28g 36%
Saturated Fat 14g 70%
Cholesterol 212mg 71%
Sodium 846mg 37%
Total Carbohydrate 32g 12%
Total Sugars 5g
Protein 13g
Vitamin C 6.1mg 31%
Calcium 122mg 9%
Iron 2.7mg 15%
Potassium 334mg 7%
Fatty acids, total trans 1g
Folate, total 103.4mcg
Vitamin B-12 0.8mcg
Vitamin B-6 0.2mg

*The % Daily Value (DV) tells you how much a nutrient in a food serving contributes to a daily diet. 2,000 calories a day is used for general nutrition advice.

Related Articles