01 -
Preheat a skillet over medium heat. Add breakfast sausage and cook until deeply browned and cooked through, breaking into crumbles. Drain excess fat.
02 -
In a large mixing bowl, whisk together pancake mix, whole milk, and egg until the batter is smooth. Allow to rest for 5 minutes to slightly thicken.
03 -
Heat a lightly oiled skillet or griddle over medium heat. Pour batter to form small to medium pancakes. Cook until bubbles form on the surface and edges set, then flip and continue cooking until golden brown. Repeat to make at least 6 pancakes.
04 -
Grease a baking dish with butter or oil. Layer pancakes and sausage, drizzling maple syrup between layers. Continue layering pancakes, sausage, and syrup, finishing with a pancake on top. Drizzle additional syrup if desired.
05 -
Preheat oven to 350°F (175°C). Place the assembled casserole in the oven and bake for 10 to 15 minutes, or until heated through.