Ingredients

The following ingredients have 4 Servings
  • 1 15.25 oz. yellow cake mix ((plus ingredients on back of box))
  • 1 cup salted butter (cold, two sticks)
  • 2 1/4 cups flour
  • 1 1/2 Tbsp. cinnamon
  • 1 3/4 cups brown sugar
  • 1 1/2 Tbsp. vanilla
  • Powdered sugar for dusting

Instruction

  • Preheat oven to 350
  • Prepare cake mix in large bowl according to directions on box.
  • Spray 9 x 13 pan with non-stick spray.
  • Pour batter into pan.
  • Bake at 350 for 15-20 minutes or until center is just barely set.
  • While cake is baking, prepare crumb topping.
  • In large bowl of electric mixer combine butter, flour, cinnamon, brown sugar and vanilla until all crumbly.
  • Immediately after cake is removed from oven, break crumb topping into marble size pieces with fingers, sprinkling over top.
  • Put back in oven and bake an additional 10-15 minutes (topping will begin to look a less less wet/raw) let cool fully then dust with powdered sugar using a sieve if desired.
  • Cut into squares and serve.