Preheat oven to 350 degrees.
In a medium bowl, add eggs, milk, black pepper, and garlic powder then whisk together.
Add broccoli and cheddar cheese to the same bowl and stir.
Spray avocado oil spray on muffin pan then pour egg mixture into each spot. Top with more cheese.
Set muffin pan in oven and bake for 20 minutes or until golden brown.
Serve immediately and enjoy.