Easy Crumb Coffee Cake
1 Box Yellow Cake Mix...bake according to directions on box at 350 until done.
Take out of oven, crumble topping(directions below) all over and put back in to bake for another 15-20 min. Let cool and enjoy!
For crumb topping:
2 sticks butter, melted
2 cups flour
1 cup sugar
4 tsp cinnamon
Combine all ingredients...adding additional flour if too sticky.