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Easy Savory Zucchini and Gruyère Crustless Quiche

savory zucchini gruyère crustless quiche - featured image

A simple, crustless quiche featuring zucchini and nutty Gruyère cheese, perfect for a quick and satisfying breakfast or light dinner.

Ingredients

Scale
  • 2 medium zucchinis, grated and gently squeezed to remove excess moisture
  • 1 cup grated Gruyère cheese (about 100g)
  • 5 large eggs, room temperature
  • 3/4 cup (180 ml) half-and-half or whole milk
  • 1 small yellow onion, finely chopped and lightly sautéed
  • 2 cloves garlic, minced (optional)
  • 2 tablespoons chopped fresh dill or thyme
  • Salt and pepper to taste
  • 1 tablespoon olive oil or butter for sautéing
  • A pinch of freshly grated nutmeg

Instructions

  1. Preheat your oven to 375°F (190°C) and position the rack in the middle.
  2. Grate the zucchinis using a box grater or food processor. Place the shredded zucchini in a clean kitchen towel or cheesecloth and squeeze firmly to remove as much moisture as possible.
  3. Heat 1 tablespoon olive oil or butter in a skillet over medium heat. Add the chopped onion and cook for about 3-4 minutes until translucent and soft. Add the garlic and cook for another 30 seconds until fragrant. Remove from heat and set aside.
  4. In a large bowl, whisk together 5 large eggs, 3/4 cup half-and-half, a pinch of freshly grated nutmeg, salt, and pepper until smooth and slightly frothy.
  5. Add the squeezed zucchini, sautéed onion and garlic, grated Gruyère, and chopped fresh dill or thyme into the egg mixture. Stir gently but thoroughly to combine.
  6. Lightly grease a 9-inch baking dish or cast iron skillet. Pour the mixture evenly into the dish.
  7. Bake for 35-40 minutes until the quiche is set but still slightly jiggly in the center. Check doneness by inserting a toothpick or knife; it should come out clean or with a few moist crumbs.
  8. If desired, broil for the last 2-3 minutes to brown the top, watching carefully to prevent burning.
  9. Let the quiche cool on a wire rack for at least 10 minutes before slicing and serving.

Notes

Squeeze zucchini well to avoid soggy quiche. Use room temperature eggs for better mixing. Freshly grate Gruyère for best melt and flavor. Watch the quiche closely after 35 minutes to avoid overcooking. Broil briefly for a browned top if desired. Leftovers keep well refrigerated for up to 3 days but freezing is not recommended.

Nutrition

Keywords: zucchini quiche, crustless quiche, Gruyère cheese, savory breakfast, easy brunch recipe, gluten-free, low-carb