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