01 -
Preheat your oven to 350°F. Grease a 9x13-inch baking dish with butter or nonstick spray to ensure easy serving and prevent sticking.
02 -
Arrange the frozen tater tots in a single, even layer across the bottom of the prepared baking dish. This creates a crispy, golden base.
03 -
In a large mixing bowl, whisk together the eggs, whole milk, salt, black pepper, and dry mustard (if using) until smooth and well combined.
04 -
Sprinkle the cooked and crumbled bacon evenly over the layer of tater tots.
05 -
Spread the shredded cheddar and Monterey Jack (or pepper jack) cheeses evenly over the bacon layer.
06 -
Slowly pour the egg mixture evenly over the ingredients in the dish, ensuring the mixture fills in the spaces between the tater tots.
07 -
If desired, sprinkle chopped green onions over the top for added flavor and color.
08 -
Bake uncovered for 40-45 minutes, until the eggs are completely set and the top is golden brown and slightly crispy.
09 -
Remove from the oven and let the casserole rest for 5-10 minutes before cutting and serving.