Sourdough Coffee Cake - cooking recipe

Ingredients

Cake
1 cup sourdough starter
1/3 cup vegetable oil
1 egg (slightly beaten)
1 cup all-purpose flour
3/4 cup sugar
1/2 teaspoon salt
1 teaspoon baking soda
1 teaspoon cinnamon
Topping
1 teaspoon cinnamon
1/2 cup brown sugar
2 tablespoons butter or 2 tablespoons margarine
1 tablespoon flour

Preparation

Combine sourdough starter, oil and egg.
Stir together dry ingredients and add to sourdough mixture.
Put dough into greased 9 inch square pan.
Crumble topping ingredients together (I use a pastry blender) and sprinkle topping on top of batter.
Bake for 35 minutes at 350 degrees.