Step 1

Preheat the oven to 375°F. Coat a 6-cup muffin tin with cooking spray or line with paper liners.

Step 2

Crack the eggs into a large bowl or measuring cup with spout, and use a whisk or hand blender to blend the eggs until smooth.

Step 3

Add the spinach, peppers and onions into the greased muffin cup. Carefully pour the beaten eggs into each muffin cup until the liquid almost reaches the top. Season with salt and pepper. Sprinkle the cheese on top of each egg muffin

Step 4

Bake for 15-18 minutes or until eggs are set.

Step 5

Run a butter knife around the edges to help loosen them. Serve immediately.