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Squares of crumb cake stacked on top of each other on a small green cake stand

The Wendt House New York Crumb Cake

Michele Wendt
The Wendt House New York Crumb Cake is a delicious buttery cake topped with a thick layer of soft cinnamon crumbs as thick as the cake itself. This recipe will be your new crumb cake go-to!
Prep Time 30 minutes
Cook Time 40 minutes
Total Time 1 hour 10 minutes
Course Breakfast, Dessert, Snack
Cuisine American, French
Servings 12 servings
Calories 787 kcal
Ingredients
  

For the Crumb Topping

  • 3 cups (360g) all-purpose flour
  • 1/2 cup (99g) sugar
  • 1 1/2 cups (320g) brown sugar
  • 1 1/2 tbsp cinnamon
  • 1/2 tsp salt
  • 1 1/4 cups (283g) unsalted butter, melted
  • 2 tbsp powdered sugar for dusting

For the Cake

  • 2 cups (240g) all-purpose flour
  • 2 tsp baking powder
  • 3/4 tsp salt
  • 1 1/2 cups (297g) sugar
  • 1 cup (226g) unsalted butter, softened
  • 4 large eggs
  • 1 tbsp vanilla extract
  • 3/4 cup (170g) sour cream (full-fat)
Instructions
 

For the Crumb Topping

  • Add the flour, sugar, brown sugar, cinnamon and salt to a medium bowl.
  • Whisk ingredients together until blended.
  • Pour half of the melted butter over the dry ingredients and toss with a fork, being careful not to mix together completely. Our goal is to have crumbs of all different sizes.
  • Pour the rest of the melted butter into the crumb mixture and toss with a fork until mostly combined and you have a nice crumb mixture of different sizes. Set aside.

For the Cake

  • Preheat oven to 350° F.
  • Line a 9 x 13-inch baking dish with parchment paper and set aside. (I like to butter the dish before adding the parchment paper so that it will stick.)
  • In a medium bowl, combine flour, baking powder and salt with a wire whisk and set aside.
  • In the bowl of a stand mixer, beat sugar and butter at medium speed until creamy. Scrape down the bowl when needed.
  • Add eggs one at a time, beating well after each one is added.
  • Add vanilla and mix until just combined.
  • Add flour mixture alternately with sour cream, beating on low speed after each addition until just combined.
  • Pour batter into prepared baking dish.
  • Gradually add the crumb topping evenly to the top of the cake until it is completely covered.
  • Carefully push the crumbs into the cake batter with your hand.
  • Bake cake for 40-50 minutes until a toothpick inserted into the center of the cake comes out with a few crumbs attached. (If the cake is getting too dark, you can use a foil tent to keep it from browning further.) Cool cake in the baking dish on a wire rack for about 1 hour.
  • Sprinkle powdered sugar evenly over the top of the cake.
  • After cake is cool, remove cake from pan by lifting the parchment paper on both sides.
  • Cut cake into 12 squares with a sharp knife.
Notes
Store crumb cake in an airtight container or sealed food storage bag for up to 4 days.
 
Crumb cake can be frozen for 2-3 months in an airtight freezer bag or container.
Keyword Brown Sugar Crumbs, Butter Cake, Butter Crumbs, Cake, Crumb Cake, Crumb Topping, New York Crumb Cake, Streusel