Blueberry Dream Cake

Ingredients

• BASE
• 1-1/2 (375 mL) cups all purpose flour
• 1/2 cup (125 mL) granulated sugar
• 1-1/2 tsp (7 mL) baking powder
• 1/3 cup (75 mL) soft butter
• 2 egg whites
• 1 tsp (5 mL) vanilla extract
• CAKE
• 3 cups (750 mL) blueberries (fresh or frozen)
• 2 Tbsp (25 mL) all purpose flour
• 2 cups (500 mL) plain yogurt
• 1 egg, lightly beaten
• 2/3 cup (150 mL) granulated sugar
• 1 tsp (5 mL) vanilla
• grated rind of 1 lemon or orange