Preheat the oven to 350° F.

Chop the ham, bell pepper, and onion into small pieces. Sauté onion in a skillet with a small bit of butter until translucent. Add ham and bell pepper and sauté together briefly. Let cool,

Crack eggs into a bowl; add salt, pepper, and chili powder. Whisk until combined.

Add the ham, onion, bell pepper and cheddar cheese and stir to combine.

Spray a 12 muffin cup pan (1 standard size muffin tray) with cooking spray.

Spoon the mixture into the muffin pan..

Bake until puffy and just barely set, ~25 mins.

Run a knife around the edges of each muffin cup and lift the bites out of the pans.

Serve warm or at room temperature.