"Rolling in Dough" Biscuits

3 cups all-purpose flour
1 1/2 tablespoons baking powder
1 teaspoon baking soda
1 teaspoon salt
1/4 cup butter or margarine
1 (16 ounce) carton sour cream
3 cups (12 ounces) shredded Cheddar cheese
2 jalape?o peppers, seeded and diced

Combine first 4 ingredients in a large bowl; cut in butter with a pastry blender until mixture is crumbly. Add sour cream, Cheddar cheese and peppers, stirring until dry ingredients are moistened. Turn dough out onto a floured surface, and knead 3 or 4 times. Roll dough to 1/2-inch thickness. Cut with a 4-inch round cutter. Place on a lightly greased baking sheet. Bake at 425 degrees F for 15 minutes.

Makes 1 dozen.