1. Preheat oven to 350°.
2. Weigh or lightly spoon flour into dry measuring cups; level with a knife. Combine flour and next 5 ingredients (through cloves) in a bowl, stirring well.
3. Combine sugar, oil, and egg in a large bowl; beat with a mixer at medium speed until combined. Stir in molasses and applesauce.
4. Add flour mixture and buttermilk alternately to egg mixture, beginning and ending with flour mixture. Spoon batter into a 9-inch square baking pan coated with cooking spray. Bake at 350° for 35 minutes or until a wooden pick inserted into the center comes out clean.
5. Cool in pan on a wire rack for 15 minutes. Cut into squares.