Preheat your oven to 350°F (175°C) and grease a muffin tin with cooking spray or a little olive oil.
In a large mixing bowl, whisk together the eggs and cottage cheese until well combined.
Stir in the diced bell peppers, chopped green onions, and spinach.
Add the garlic powder, onion powder, salt, and pepper. Mix everything together until evenly distributed.
If using, fold in the shredded cheddar cheese for added flavor and creaminess.
Pour the egg mixture evenly into the prepared muffin tin, filling each cup about 3/4 full.
Bake in the preheated oven for 20-25 minutes, or until the muffins are set and lightly golden on top. You can check for doneness by inserting a toothpick – it should come out clean.
Once baked, let the muffins cool for 5 minutes before carefully removing them from the tin.
Notes
These muffins can be enjoyed warm or stored in an airtight container in the fridge for easy grab-and-go breakfasts. Garnish with fresh herbs for an added touch.