Fresh spinach is the star of the show in this Crustless Spinach Quiche recipe with tomatoes, onions, and feta. Delicious warm, room temperature, or chilled - this is a fantastic brunch, lunch or light dinner!
Lightly grease a 10-inch quiche or tart pan (or a deep dish pie plate)
Heat 1 tablespoon olive oil over medium high heat in a skillet, and sauté 1 onion(diced) until softened.
Add in the 6 ounces fresh baby spinach leaves and cook until just wilted (you may need to do this in batches if your skillet is too small). Season with salt and pepper to taste. Set aside to cool 5 minutes.
Whisk together 4 large eggs, 1/2 cup all-purpose flour, and 1/2 teaspoon baking powder. Whisk in 1 1/2 cups whole milk, then stir in spinach-onion mixture. Add pepper, mix well.
Pour egg mixture into quiche pan. Top with 1/2 cup feta cheese.
Place the 1/2 cup cherry or grape tomatoes halves on top, and press gently so only the surface is visible.
Bake for 25-30 minutes, or until center is set and the edge is golden brown - and pulling away from the pan.
Cool for 10 minutes.
Garnish with extra feta, and some fresh basil leaves (optional).
Slice, and serve.
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Notes
This crustless quiche tastes great hot, room temp, OR chilled! You'll notice there is no salt and pepper in this - the feta is plenty salty enough, so there's no need to add it. You may enjoy some pepper in yours though!