Heat oven to 450°F.
Combine flour, baking powder, baking soda and garlic salt in bowl; cut in butter with fork or pastry blender until mixture resembles coarse crumbs. Add cheese; toss to coat with flour mixture. Stir in buttermilk just until moistened.
Turn dough out onto lightly floured surface; knead 10 times or until smooth. Roll out dough to 1/2-inch thickness. Cut with 3- to 4-inch bat-shaped cookie cutters.
Place 1 inch apart onto large ungreased baking sheet. Press olives or red pepper pieces into dough for eyes.
Bake 10-12 minutes or until lightly browned. Serve warm with butter.
*Substitute 1 tablespoon vinegar or lemon juice plus enough milk to equal 3/4 cup. Let stand 5 minutes.
Red Pepper Biscuits: Add 1/4 cup finely chopped roasted red pepper, patted dry, to dough with the cheese.
Use your favorite Halloween cookie cutter, such as broomstick or ghost, or use a round biscuit cutter to cut biscuits.