This healthy vegetarian quiche recipe is as simple as it gets. It's a quiche without the fussy crust! It's filled with sweet wild mushrooms and savory Gruyère cheese. Enjoy it for breakfast or brunch, or serve it with a light salad for lunch.

Julia Levy
Source:, January 2020


Recipe Summary

25 mins
1 hr 5 mins


Ingredient Checklist


Instructions Checklist
  • Preheat oven to 375 degrees F. Coat a 9-inch pie pan with cooking spray; set aside.

  • Heat oil in a large nonstick skillet over medium-high heat; swirl to coat the pan. Add mushrooms; cook, stirring occasionally, until browned and tender, about 8 minutes. Add onion and garlic; cook, stirring often, until softened and tender, about 5 minutes. Add spinach; cook, tossing constantly, until wilted, 1 to 2 minutes. Remove from heat.

  • Whisk eggs, milk, half-and-half, mustard, thyme, salt and pepper in a medium bowl. Fold in the mushroom mixture and cheese. Spoon into the prepared pie pan. Bake until set and golden brown, about 30 minutes. Let stand for 10 minutes; slice. Garnish with thyme and serve.

Nutrition Facts

277 calories; protein 17.1g 34% DV; carbohydrates 6.8g 2% DV; dietary fiber 1.5g 6% DV; sugars 3.2g; fat 20g 31% DV; saturated fat 8.2g 41% DV; cholesterol 220.2mg 73% DV; vitamin a iu 2126.7IU 43% DV; vitamin c 10.8mg 18% DV; folate 39.1mcg 10% DV; calcium 357.8mg 36% DV; iron 2mg 11% DV; magnesium 41.8mg 15% DV; potassium 289.1mg 8% DV; sodium 442.5mg 18% DV; thiamin 0.1mg 9% DV.


Rating: 5 stars
The combination of wild mushrooms and gruyere cheese really elevates the flavor of this quiche. Read More
Rating: 5 stars
This is a spectacular recipe. I made it according to the recipe and it was gorgeous. I told my husband that this was going to become a staple in our household! The recipe is even more delightful given its healthful ingredients and low calorie count. Read More