Preheat your oven to 350°F (175°C).
Grease a muffin tin with cooking spray or butter.
In a mixing bowl, whisk together eggs, salt, and pepper.
Chop your chosen vegetables and add them to the egg mixture.
Stir in cheese and herbs to enhance flavor.
Pour the mixture into the prepared muffin tin, filling each cup about 3/4 full.
Bake in the preheated oven for 20 minutes, or until the eggs are set.
Let cool for a few minutes before gently removing from the tin.
Serve warm with your choice of toppings.
Enjoy your homemade egg cups!