BREAD BATTER:

2 c. all-purpose flour
1 c. sugar
4 tsp. baking powder
1 1/2 tsp. cinnamon
1 tsp. salt
1 c. buttermilk (OR 1 tbsp. vinegar plus milk to make 1 c.)
1/3 c. vegetable oil
2 tsp. vanilla
2 eggs

STREUSEL:

2 tbsp. sugar
1 tsp. cinnamon
2 tsp. butter

Heat oven to 350 degrees. Line bottom of 9 x 5 inch loaf pan with wax paper and spray with vegetable spray. In large mixer bowl, combine all ingredients; beat 3 minutes at medium speed. Pour into prepared loaf pan.

In small bowl, combine streusel ingredients until crumbly. Sprinkle over batter and swirl lightly to marble. Bake at 350 degrees for 45 to 55 minutes or until done. Remove from pan and cool on wire rack.