1c cooking oil (I used 4tbls unsalted butter instead of the oil)
Preheat oven to 350
Grease and flour a 9x5x3" loaf pan. Mix 1/2c sugar with the cinnamon; set aside In a lg. mixing bowl, combine the flour, baking powder, and remaining sugar. In a separate bowl combine the egg, milk and oil; add to the flour mixture. Stir until just moistened.
Poue half the batter in the prepared pan. Sprinkle with half the cinnamon/sugar mixture. Repeat with remaining batter and cinnamon mixture. Draw a knife thru the batter to marble the bread.
Bake at 350 for 45-50 mins or till toothpick inserted in center comes out clean. Cool in pan for 10 mins. Remove from pan. Cool.