Peanut Butter Crumb Cake Recipe

CRUMBS:
Mix together the brown sugar, flour, peanut butter, and melted butter until crumbly; set aside.

CAKE:
 Cream together the peanut butter and butter until light and fluffy.
Slowly beat in the brown sugar.
Add the eggs, one at a time, beating until fluffy after each addition.
Whisk together the flour, baking powder, baking soda, and salt; add alternately to the creamed mixture with the milk, blending well after each addition.
Do not over mix.
Spread the batter evenly in a prepared pan; top with the crumbs.
Bake until a toothpick inserted in the center comes out clean.
Cool slightly before serving.
Dust with powdered sugar, if desired; or drizzle with a chocolate glaze.