Preheat the oven to 350°.
Dice the bell pepper, onion, and ham into equal size pieces.
Crack all 8 eggs into a bowl, and mix in bell pepper, onion, ham and cheese. Season with salt and pepper
Spray or line a 12 cup muffin tray. Scoop in an equal amount of egg mixture into each cup.
Bake for 12 - 15 minutes or until a toothpick can be inserted and come out clean.