Making Crescent Roll Breakfast Casserole is simple if you follow these easy steps:

1. Preheat Oven: Preheat your oven to 375°F (190°C).
2. Prepare Baking Dish: Grease a 9×13 inch baking dish with cooking spray or butter.
3. Roll Out Crescent Dough: Unroll the crescent roll dough and lay it flat in the baking dish, pressing the seams to seal.
4. Add Fillings: Evenly distribute the diced ham (or other meats), chopped vegetables, and shredded cheese over the dough.
5. Whisk Eggs and Milk: In a bowl, whisk together the eggs, milk, garlic powder, onion powder, salt, and pepper until well blended.
6. Pour Egg Mixture: Pour the egg mixture evenly over the fillings in the baking dish.
7. Bake: Place the dish in the preheated oven and bake for 25-30 minutes, or until the egg is set and the top is golden brown.
8. Cool Slightly: Once baked, remove from the oven and let it cool for about 5 minutes before slicing.
9. Slice and Serve: Cut into squares and serve warm.

These steps will guide you in creating this incredible casserole effortlessly.