Spray loaf pans with cooking spray and line with sugar/ cinnamon mixture. Mix flour, sugar, milk, oil, vanilla, cinnamon, eggs and pudding mix together in a large bowl with a wooden spoon.
Pour mixture into loaf pans. Sprinkle with more sugar/ cinnamon mixture on top. Bake at 325° F or approximately 1 hour.Servings: 3 to 6 loaves