Creating delicious egg cups is straightforward. Follow these simple steps for a perfect result:

1. Preheat the Oven: Preheat your oven to 350°F (175°C). Grease a muffin tin or line it with muffin liners.
2. Whisk Eggs: In a large mixing bowl, whisk together the eggs and milk until well combined.
3. Add Ingredients: Stir in the diced vegetables, cooked bacon or sausage (if using), shredded cheese, salt, and pepper until evenly mixed.
4. Fill Muffin Tin: Pour the egg mixture into each muffin cup, filling them about 3/4 full.
5. Bake: Place the muffin tin in the preheated oven and bake for 15-20 minutes, or until the egg cups are set and slightly golden on top.
6. Cool: Remove the muffin tin from the oven and let the egg cups cool for about 5 minutes.
7. Remove and Serve: Carefully run a knife around the edges of the cups to loosen them, then gently lift them out.

These steps will guide you in creating these incredible egg cups effortlessly.