Here is a recipe for breakfast egg muffins in three different flavors:
Ingredients: Basic muffin mixture:
- 8 large eggs
 - 1/2 cup milk
 - 1/2 cup grated cheese (such as cheddar, mozzarella, or Parmesan)
 - salt and pepper, to taste
 
Flavor variations:
Option 1: Sausage, mushroom, and spinach
- 1/2 cup cooked sausage crumbles
 - 1/2 cup diced mushrooms
 - 1/2 cup chopped baby spinach
 - 
Option 2: Ham, bell pepper, and onion
 - 1/2 cup diced ham
 - 1/2 cup diced bell pepper
 - 1/2 cup diced onion
 - 
Option 3: Bacon, tomato, and scallion
 - 1/2 cup cooked and crumbled bacon
 - 1/2 cup diced tomato
 - 1/2 cup diced scallion
 
Instructions:
- Preheat the oven to 350 degrees Fahrenheit. Grease a 12-cup muffin tin.
 - In a large bowl, whisk together the eggs, milk, cheese, salt, and pepper.
 - Divide the basic muffin mixture evenly among the cups of the muffin tin.
 - Choose one of the flavor options and stir the additional ingredients into the muffin cups.
 - Bake the muffins until they are set and the edges are golden brown, about 20-25 minutes.
 - Let the muffins cool in the tin for 5 minutes, then transfer them to a wire rack to cool completely. Enjoy!