INGREDIENTS
1 tsp
Lemon, zest
1
Egg, large
1 1/4 tsp
Baking powder
1/4 tsp
Baking soda
1
Raspberry frosting
1/2 tsp
Salt, coarse
3/4 cup
Sugar
1 tsp
Vanilla extract, pure
1 3/4 cups
Whole-wheat flour, white
4 tbsp
Butter, unsalted
1 1/2 cups
Yogurt, plain low-fat