Read on for our expert tips, including ways to switch up the flavor profile.

Coat a 12-cup muffin tin with cooking spray.

Heat 2 tablespoons oil in a large skillet over medium-high heat.

photo of Mini Crustless Quiches served on a plate with a mug of coffee

Photo:Photographer: Morgan Hunt Glaze, Food Stylist: Margaret Monroe Dickey, Prop Stylist: Priscilla Montiel

Continue cooking, stirring occasionally, until browned all over, 3 to 4 minutes.

Add 1 cup onion; cook, stirring occasionally, until softened and slightly translucent, about 5 minutes.

Stir in 1 tablespoon garlic; cook, stirring constantly, until fragrant, 1 to 2 minutes.

overhead view of the ingredients to make Mini Crustless Quiches with Kale, Mushroom & Cheese

Photographer: Morgan Hunt Glaze, Food Stylist: Margaret Monroe Dickey, Prop Stylist: Priscilla Montiel

Divide the mixture among the prepared muffin cups (about 2 tablespoons each).

Bake until slightly puffed and centers are set, about 30 minutes.

Remove from the pan immediately and serve hot, warm or at room temperature.

overhead view of kale, mushrooms, and onions cooking in pan

Photographer: Morgan Hunt Glaze, Food Stylist: Margaret Monroe Dickey, Prop Stylist: Priscilla Montiel

Theyll store well in the refrigerator for 3 to 4 days and in the freezer for about 3 months.

The quiches need to be completely cool before you wrap them and freeze them.

Mini quiches are delicious whether served warm, cold or at room temperature.

overhead view of the mini quiches topped with feta before baking

Photographer: Morgan Hunt Glaze, Food Stylist: Margaret Monroe Dickey, Prop Stylist: Priscilla Montiel

While you’re able to microwave them, the consistency of the quiches may be slightly compromised.

For breakfast or lunch, serve them with afruit salad.