Tater Tot Breakfast Casserole With Sausage and Peppers

• The egg layer bakes beneath the potatoes, so moisture does not pool across the topping while the casserole finishes.
• Cooking sausage and peppers before they enter the dish keeps their rendered fat and liquid from thinning the custard.
• One 9-by-13-inch pan portions into squares that can be packed with fruit, hot sauce, or a simple coffee on the side.
• A short uncovered finish concentrates heat around the potato edges, giving the top its color rather than relying on extra cheese. That matters after refrigeration and reheating, too.

• 1 pound bulk pork breakfast sausage, casings removed (454 g)
• 1 medium red bell pepper, stemmed, seeded, and diced (150 g)
• 1 small yellow onion, peeled and finely diced (110 g)
• 10 large eggs, at room temperature (500 g)
• 1 1/2 cups whole milk (360 g)
• 1 teaspoon kosher salt (5 g)
• 1/2 teaspoon freshly ground black pepper (1 g)
• 2 cups sharp cheddar cheese, shredded (226 g)
• 1 2-pound bag frozen tater tots, unthawed (907 g)

Ingredient notes

• Bulk pork breakfast sausage brings seasoning and fat to the base. Use mild or hot sausage, but brown it thoroughly and drain away excess rendered fat before assembling. Choose loose sausage instead of links for quicker, even crumbles.
• Keep tater tots frozen until the pan is ready. Thawed tots release surface moisture and lose their sturdy shape before the final uncovered bake. Arrange them in a single overlapping layer rather than burying them in cheese.
• Whole milk gives the eggs enough richness without making a heavy layer. Lower-fat milk works, although the finished center will taste less rounded and tender. Use room-temperature eggs only if convenient; cold eggs whisk perfectly well.
• Sharp cheddar gives clear flavor against the potatoes. Shred a block if possible; pre-shredded cheese works, but its coating can melt a little less smoothly. White cheddar is a direct swap.
• Red pepper and onion add sweetness and color, but need a skillet first. Dice both evenly so they soften in the same time as the sausage. A green bell pepper is firmer and less sweet.

1. 1Heat oven and pan

   Set an oven rack in the middle and heat the oven to 375°F. Butter a 9-by-13-inch baking dish, including the corners, then place it on a rimmed sheet pan for easier movement. The shallow, wide surface helps the topping get direct heat.

2. 2Cook sausage and vegetables

   Warm a large skillet over medium heat. Add sausage, pepper, and onion, breaking the meat into small crumbles. Cook until no pink remains and the vegetables are softened, about 8 minutes. Tip the mixture into a colander and let excess fat drain for 2 minutes.

3. 3Whisk the custard

   Crack the eggs into a large bowl and whisk until the yolks disappear. Whisk in milk, salt, and pepper until smooth and evenly pale. Stir in three-quarters of the cheddar, reserving the rest for a light layer over the filling.

   

4. 4Assemble the base

   Spread the drained sausage mixture evenly in the buttered dish. Pour the egg mixture slowly over it, nudging the vegetables into an even layer with a fork. Scatter the reserved cheddar across the surface, but leave room for the potatoes to sit on top later.

   

5. 5Bake the filling

   Bake the uncovered dish for 22 minutes, until the outer egg layer looks set but the center still has a slight wobble. Keeping the potatoes out for this stage lets the custard begin firming without trapping steam beneath the topping.

6. 6Crisp the tots

   Remove the dish and arrange frozen tots in close, single-layer rows across the top. Raise the oven to 425°F and bake for 20 to 25 minutes, until the center reaches 160°F and the tots are deeply golden. Rest 10 minutes before cutting.

• Drain the sausage mixture after cooking, even if the skillet looks fairly dry. A few spoonfuls of rendered fat can make the egg layer greasy and create steam beneath the tots.
• Do not press the tater tots into the egg mixture. They need to sit above the custard so hot air can brown their ridges instead of turning them soft.
• If the cheese begins browning too quickly during the first bake, loosely lay foil over the dish. Remove it before adding the tots so the finishing heat can reach every potato edge.
• Let the casserole rest for 10 minutes before slicing. The brief pause firms the egg layer, giving you cleaner squares for containers instead of loose spoonfuls.

Cut the casserole into eight squares and pair each one with citrus, grapes, or apple slices for a packed breakfast. For a sit-down plate, add a spoonful of salsa, pickled jalapeños, or hot sauce after reheating. A small bowl of plain yogurt with berries balances the salty sausage nicely. If serving a crowd, set out toppings separately rather than covering the pan, since sauces and avocado can soften the crisp potato surface.