01 - Preheat the oven to 350°F. Lightly grease a 12-cup muffin tin with nonstick spray or line with silicone liners.
02 - In a blender, combine cottage cheese, eggs, cheddar cheese, Parmesan, salt, pepper, and garlic powder. Blend until smooth and creamy.
03 - In a mixing bowl, combine the chopped spinach, bell pepper, green onions, and any optional add-ins.
04 - Pour the blended egg mixture into the bowl with vegetables and mix gently to combine.
05 - Divide the mixture evenly among the prepared muffin cups, filling each about 3/4 full.
06 - Bake for 22-25 minutes, or until the centers are set and the tops are slightly golden.
07 - Allow the egg bites to cool for a few minutes, then remove from the tin. Serve warm or at room temperature.