Preheat oven to 400° and line a baking sheet with parchment paper.
In a large skillet over medium-high heat, heat oil. Add sausage and cook, breaking up meat with a wooden spoon, until golden, about 7 minutes. Remove from heat.
In a medium microwave-safe bowl, melt together ¼ cup cheddar, cream cheese, and Parmesan. Add cooked sausage, egg, almond flour, baking powder, and salt and stir to combine. Stir in remaining ¾ cup cheddar.
Using a small cookie scoop, form mixture into 1" balls and place on prepared baking sheet. Bake until sausage is cooked through and golden, 20 to 22 minutes.