Preheat the oven to 400 degrees F. Grease 2 baking or cookie sheets and set aside.
Combine the biscuit mix, sausage and rosemary in a large bowl. Mix with your hands, then work in the white and yellow Cheddars and hot sauce. Form into balls the size of walnuts and place on the prepared baking sheets. Bake until cooked through, about 20 minutes. Serve warm.