Sweet Potato Mushroom Egg White Frittata is a healthy, well-balanced breakfast recipe. Dirty details: high protein, dairy free, grain free, and sugar free.
Spread chopped greens in the bottom of the dish.
In a medium bowl, whisk egg whites with salt and pepper. Remove thyme leaves from sprigs and whisk into whites. Pour about half the egg white mixture over the greens. Spread the sweet potato and mushrooms over greens and evenly pour in remaining egg whites.