Blueberry Breakfast Cake

Ingredients

• 2 cups flour all-purpose
• 0.5 cup sugar 
• 2 teaspoons double-acting baking powder 
• 1 large eggs lightly beaten
• 0.5 cup milk 
• 0.3 cup butter softened
• 1 teaspoon lemon zest grated
• 2 cups blueberries fresh
• 0.3 cup sugar 
• 0.3 cup flour all-purpose
• 0.3 cup walnut pieces finely chopped
• 0.5 teaspoon ground cinnamon 
• 3 tablespoons butter cold

Equipment

• bowl
• oven
• baking pan

Directions

1. In a bowl, combine flour, sugar and baking powder.
2. Add egg, milk, butter and lemon zest; mix just until dry ingredients are moistened. Fold in the blueberries.
3. Spread in a greased 9-in. square baking pan. For topping, combine sugar, flour, walnuts and cinnamon.
4. Cut in butter until mixture is crumbly.
5. Sprinkle over batter.
6. Bake at 350° for 40-45 minutes or until cake tests done.