Preheat oven to 375°F and grease a muffin pan
Cook sausage, breaking it into small crumbles. Drain excess grease
Cut each biscuit into 4 pieces
Add 3 biscuit pieces per muffin cup (use 10-11 cups total)
Sprinkle sausage and cheese evenly into each
Whisk eggs, milk, salt, and pepper in a bowl
Pour egg mixture into each cup until about ¾ full
Bake 22-25 minutes, until set and lightly golden
Let cool 5–10 minutes before removing