1. Preheat oven to 350F Grease a 9 x 13-inch baking pan. 2. Mix flour, baking powder, baking soda, cinnamon and lemon zest together. 3. Add oil and blend. 4. Mix in remaining ingredients, one at a time, until well blended. 5. Spread batter into prepared baking pan. 6. Bake 1 hour, or until toothpick inserted comes out clean. 7. Cool completely in pan on wire rack. Dust with powdered sugar and cinnamon if desired. Cut into squares and serve. ---------------------------------------------------------------------------
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Ingredients