BLUEBERRY: Fold in 1 cup fresh or frozen blueberries to batter. Sprinkle tops with cinnamon-sugar.
APPLE NUT: Stir in 1 medium pared & chopped apple with milk & 1/2 tsp. cinnamon with the flour. Substitute packed brown sugar for sugar. Mix 1/4 C. packed brown sugar, 1/4 C. chopped nuts & 1/2 tsp. cinnamon; sprinkle over batter in each cup.
BANANA NUT: Add 1 large mashed banana to wet ingredients & chopped nuts (optional).