01 -
Preheat the oven to 375°F (190°C) and grease a 12-cup muffin tin with cooking spray or butter.
02 -
Whisk the eggs in a large mixing bowl, adding milk, salt, pepper, and garlic powder (if using) until well combined.
03 -
Prepare the add-ins by chopping vegetables, shredding cheese, and cooking meats if needed.
04 -
Distribute the fillings evenly into each muffin cup, then pour the egg mixture over them, filling each cup about 3/4 full.
05 -
Bake for 18-22 minutes, or until the egg muffins are set and lightly golden on top.
06 -
Let the muffins cool in the pan for 5 minutes before removing them with a knife or spatula.
07 -
Serve immediately, or store for later use in the refrigerator or freezer.