Preheat Oven
Preheat your oven to 350°F (175°C) and lightly grease a 9x13 inch baking dish.
Prepare Ingredients
In a large mixing bowl, whisk together the eggs, milk, and brewed coffee until smooth.
Add Seasonings
Stir in salt, pepper, garlic powder, paprika, and dried herbs for a flavor boost.
Combine Fillings
Add cooked sausage, diced vegetables, and shredded cheese to the egg mixture, stirring until everything is well-coated.
Transfer to Baking Dish
Pour the mixture into the prepared baking dish, spreading it out evenly.
Bake
Bake in the preheated oven for 35-45 minutes, or until the casserole is set and golden brown on top.
Cool and Serve
Allow it to cool slightly before slicing into squares. Serve warm and enjoy!