Cook the sausage in a 10-inch cast-iron skillet over medium heat until browned.
Stir in the apples.
Cook until the apples are soft.
Transfer mixture to a bowl.
In the bowl, toss in the biscuit dough.
Spread the mixture in the skillet.
Top with the Cheddar.
Bake at 425°F until golden, 22 minutes.
