Outrageously Buttery Crumb Cake

Outrageously Buttery Crumb Cake

A big sheet cake that starts its life as a boxed cake mix gets a topping made of tons of buttery, crumbly streusel.

Preparation Time
15 mins
Cooking Time
30 mins
Total Time
45 mins
Calories
559 Calories

Recipe Instructions

Step 1
Preheat oven to 350 degrees F (175 degrees C). Grease a 12x18-inch jellyroll pan.
Step 2
Beat the yellow cake mix, water, eggs, and 1/2 cup softened butter together with an electric mixer in a mixing bowl until thoroughly blended, about 2 minutes on medium speed. Pour the cake batter into the prepared jellyroll pan.
Step 3
Bake in the preheated oven until the edges of the cake are light brown but the middle of the cake is still slightly gooey, 15 to 17 minutes.
Step 4
Return the cake to the oven, and bake an additional 10 to 12 minutes, until the crumb topping is firm and the cake is cooked all the way through.
Step 5
Gather all ingredients.
Step 6
While the cake is baking, mix together the brown sugar, cinnamon, vanilla extract, butter, and flour together in a large bowl until the mixture forms medium crumbs.
Step 7
Remove the cake from the oven, and press about 3/4 of the crumb topping onto the top of the almost-baked cake. Reserve the remaining topping.
Step 8
Remove the cake from the oven, and sprinkle with the remaining crumb topping. Let the cake cool to room temperature, and sprinkle with confectioners' sugar.
Outrageously Buttery Crumb Cake
Outrageously Buttery Crumb Cake
Outrageously Buttery Crumb Cake
Outrageously Buttery Crumb Cake

Ingredients

  • 1 (18.25 ounce) package yellow cake mix
  • 3 eggs
  • 1 tablespoon vanilla extract
  • 1 tablespoon confectioners' sugar for dusting
  • 1 tablespoon ground cinnamon, or to taste
  • 0.5 cup butter, softened
  • 0.66666668653488 cup water
  • 1.5 cups butter
  • 4.5 cups all-purpose flour
  • 1.3333333730698 cups packed brown sugar

Categories

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