01 -
Preheat oven to 175°C. Grease a 23 x 33 cm baking dish thoroughly with butter or nonstick spray, coating bottom and sides.
02 -
Arrange frozen tater tots in a single, even layer on the bottom of the prepared dish, covering the surface completely.
03 -
In a large mixing bowl, whisk eggs, whole milk, salt, black pepper, and dry mustard (if using) until fully combined and smooth.
04 -
Scatter crumbled cooked bacon evenly over the tater tots to distribute flavor throughout.
05 -
Evenly spread shredded cheddar and Monterey Jack cheeses across the bacon layer, ensuring full coverage.
06 -
Slowly pour the egg mixture evenly over the entire dish, allowing it to seep between layers without displacing tater tots.
07 -
Sprinkle sliced green onions over the top for added freshness, if desired.
08 -
Transfer uncovered dish to the oven. Bake for 40–45 minutes, until eggs are set and top is golden with bubbling edges.
09 -
Let the dish rest for 5–10 minutes before slicing. Serve warm, ensuring clean portions.