In a small bowl, stir the flour, brown sugar, peanut butter and cinnamon until crumbly; set aside
In a large bowl, cream the butter, cream cheese and sugar until light and fluffy. Add eggs, one at a time, beating well after each addition. Beat in bananas and vanill. Combine the flour, baking powder, baking soda and cinnamon; stir into creamed mixture just until moistened.
Divide half of the batter between two greased 8- in.x4-in. loaf pan; sprinkle with half of the topping. Top with chocolate chips. Repeat layers of batter and topping
Bake at 350 for 45-55 minutes or until a toothpick inserted in the center comes out clean. Cool for 10 minutes before removing from pans to wire racks. Yield: 2 loaves(12 slices each).