Become a baker extraordinaire with these steps for making a crumbly toppingTo make a streusel topping for muffins or a coffee cake, combine flour and brown sugar. Cut butter, and, in this case, peanut butter, into the flour mixture using a pastry blender or a fork.  You’ll end up with a mixture that’s crumbly and resembles small peas.  Sprinkle this mixture over the batter of the muffins or coffee cake.Get the Recipe: Coffee Cake Pound Cake