Combine first 5 ingredients in a large bowl. Combine milk, oil, and egg; add to dry ingredients, stirring just until dry ingredients are moistened.
Drop batter by heaping tablespoons onto a baking sheet coated with cooking spray. Bake at 400 degrees for 12 minutes or until lightly browned. Cool on a wire rack. Yield: 1 dozen biscuits (about 96 calories each).