This aromatic mushroom frittata with egg whites, sautéed mushrooms, shallots, and cheese is a high-protein, easy-to-make gourmet breakfast, brunch, or “brinner” (breakfast for dinner). It’s ready in 30 minutes between the stovetop and oven. Egg White Frittata With Mushrooms An Italian egg dish, a frittata is a bit like a cross between a crustless quiche […]