Creating Tater Tot Breakfast Casserole is a breeze if you follow these simple steps:

1. Preheat Oven: Preheat your oven to 350°F (175°C).
2. Prepare Pan: Grease a 9×13-inch baking dish with cooking spray or butter.
3. Layer Tater Tots: Spread the frozen tater tots evenly across the bottom of the baking dish.
4. Cook Meat: In a skillet, cook the breakfast sausage until browned. Drain excess fat, if necessary.
5. Add Vegetables: If using, add diced onion and bell pepper to the skillet and sauté until softened.
6. Mix Eggs: In a large bowl, whisk together the eggs, milk, garlic powder, salt, and pepper until well combined.
7. Combine Ingredients: Sprinkle the cooked sausage and vegetable mixture evenly over the tater tots.
8. Pour Egg Mixture: Pour the egg mixture over the tater tots and meat, ensuring it is evenly distributed.
9. Add Cheese: Sprinkle the shredded cheddar cheese on top.
10. Bake: Place the dish in the preheated oven and bake for 40-45 minutes, or until the eggs are set and the cheese is bubbly.
11. Cool Slightly: Once cooked, remove the casserole from the oven and let it cool for a few minutes.
12. Garnish: If desired, sprinkle chopped green onions on top before serving.

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