Preheat oven to 375 F. Whisk together eggs and milk. Season with salt and pepper. Spray a 12-cupcake/muffin pan with the cooking spray.
Ladle a small amount of eggs into each tin. Divide the ham, broccoli and cheese evenly.
Ladle more egg mixture over the ham, broccoli and cheese, the tins should be 2/3 full.
Thinly slice the green onion to use a piece for a "smile" and use a small piece for the little eyes and even a nose...smiling omelet! Bake for 15-20 minutes
While still warm and using a butter knife, cut around each egg muffin and scoop out with a large spoon.