1 tsp baking powder = 1 tsp lemon juice + ΒΌ tsp baking soda
1 cup buttermilk = 1 tbsp lemon juice + 1 cup less 1 tbsp milk
1 cup cake flour = 2 tbsp cornstarch or arrowroot powder + 1 cup less 2 tbsp all purpose flour
1 tsp all spice =1/2 tsp cinnamon + 1/4 tsp nutmeg + 1/4 tsp clove