Outrageously Buttery Crumb Cake

4.0
(124)

This simple crumb cake is the BEST I ever tasted. The cake is so moist, and there is a ton of buttery crumb topping to die for. It's my aunt's recipe from the 1970's (hence the 1 pound of butter) and therefore of uttermost decadence, but oh so addictive! I've made this recipe so many times, with so many compliments. I basically eyeball the measurements now (I like a lot of cinnamon) but below is the original recipe.

close up view of sliced of Buttery Crumb Cake on a white plate
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Prep Time:
15 mins
Cook Time:
30 mins
Additional Time:
1 hrs
Total Time:
1 hrs 45 mins
Servings:
16
Yield:
1 12x18-inch sheet cake

Ingredients

  • 1 (18.25 ounce) package yellow cake mix

  • cup water

  • 3 eggs

  • ½ cup butter, softened

  • 1 ⅓ cups packed brown sugar

  • 1 tablespoon ground cinnamon, or to taste

  • 1 tablespoon vanilla extract

  • 1 ½ cups butter

  • 4 ½ cups all-purpose flour

  • 1 tablespoon confectioners' sugar for dusting (Optional)

Directions

  1. Preheat oven to 350 degrees F (175 degrees C). Grease a 12x18-inch jellyroll pan.

  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.

  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.

  4. 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. 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.

  5. 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.

  6. 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.

Cook's Notes

Overall, I found that margarine makes better crumbs - and there will be A LOT of crumb topping (just cut amounts back if it's too much).

For the image, I couldn't find my jellyroll pan so I used a 13x9 cake pan. I increased the first cooking time from 15 to 17 minutes to 25 to 27 minutes, which worked fine.

I don't know why my aunt changed the oven temperature as the cake mixes she used calls for 375. I just follow her directions.

Nutrition Facts (per serving)

559 Calories
28g Fat
71g Carbs
7g Protein
Nutrition Facts
Servings Per Recipe 16
Calories 559
% Daily Value *
Total Fat 28g 36%
Saturated Fat 16g 78%
Cholesterol 97mg 32%
Sodium 395mg 17%
Total Carbohydrate 71g 26%
Dietary Fiber 2g 5%
Total Sugars 33g
Protein 7g
Vitamin C 0mg 1%
Calcium 81mg 6%
Iron 3mg 14%
Potassium 111mg 2%

* Percent Daily Values are based on a 2,000 calorie diet. Your daily values may be higher or lower depending on your calorie needs.

** Nutrient information is not available for all ingredients. Amount is based on available nutrient data.

(-) Information is not currently available for this nutrient. If you are following a medically restrictive diet, please consult your doctor or registered dietitian before preparing this recipe for personal consumption.

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