01 -
Preheat the oven to 375°F (190°C) and grease a mini muffin tin with non-stick cooking spray.
02 -
In a mixing bowl, gently whisk the egg whites, diced bell peppers, diced onions, shredded cheese, salt, and pepper just until combined to maintain a light texture.
03 -
Spoon the mixture evenly into the prepared muffin tin cups, filling each about three-quarters full.
04 -
Bake for 15 to 20 minutes at 375°F until the egg bites are set and slightly golden on top.
05 -
Remove from the oven and allow to cool slightly before removing from the muffin tin. Serve warm or store for later use.