Blueberry Streusel Cake Recipe

• 3/4 c. sugar divided
• 1/4 c. margarine softened
• 1 lrg egg
• 1 tsp lemon rind grated
• 1 1/2 c. all-purpose flour
• 1/2 tsp baking soda
• 1/2 c. plain lowfat yogurt vegetable cooking spray
• 1 Tbsp. all-purpose flour
• 2 c. fresh blueberries
• 1 tsp grnd cinnamon
• 1/8 tsp grnd allspice
• 1 tsp powdered sugar

Directions