Use your hands to mix everything together until the sausage, cheese, and baking mix are fully combined and no dry pockets of mix remain. This takes a few minutes of kneading; the mixture will be thick and slightly sticky.
Pinch off portions of the mixture and roll into tight, smooth balls about 1 to 1 1/4 inches in diameter (roughly 1 tablespoon each). Place them on the prepared baking sheet, spacing them about 1 inch apart so they can brown evenly.
Once all the sausage balls are rolled and on the sheet, bake in the preheated oven for 18–22 minutes, or until they are cooked through and the edges are golden brown with little spots of melted cheddar visible.
Remove the baking sheet from the oven and let the sausage balls cool on the