Crumb Cake


The world needs more crumb cake. I mean how could your day go wrong if you start it out with a piece of this dreamy and decadent, over-the-top Crumb Cake? How I wish I could have this every day for breakfast.

Crumb Cake | Cooking Classy

You’ll love then generous layer of crisp, buttery, cinnamon laden crumbs atop that pillowy-soft, moist cake that’s swirled with notes of vanilla and an ever so light tang from the sour cream. This is one of my favorite breakfast cakes, like ever.

I’m a crumbaholic. If it has crumbs I need it, and this is overloaded with them to the max! I just love the contrast of a fluffy cake next to a dense crumbly crumb.

Last year I attempted several times to make a crumb muffin and it just never worked for me because the crumbs would either end up swallowed up by the muffin or all spread out to the edges (which made since because I never used a super tall cupcake liner to keep everything intact).

Luckily, things worked out much better in cake form. This cake turned out to be the best crumb cake I’ve ever had and I already can’t wait to make it again!

Crumb Cake | Cooking ClassyCrumb Cake | Cooking Classy

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Crumb Cake

4.75 from 28 votes

A deliciously soft and tender cake topped with a crisp buttery crumble. Perfect for a weekend breakfast or holiday brunch. 

Servings: 9
Prep Time 25 minutes
Cook Time 35 minutes
Total Time 1 hour 5 minutes



  • 1 cup + 2 Tbsp (160g) all-purpose flour
  • 1/3 cup (74g) packed light brown sugar
  • 1/3 cup (72g) granulated sugar
  • 1 tsp ground cinnamon
  • 1/4 tsp salt
  • 1/2 cup (4 oz) unsalted butter, melted


  • 1 cup (143g) all-purpose flour
  • 3/4 tsp baking powder
  • 1/8 tsp baking soda
  • 1/4 tsp salt
  • 5 Tbsp (2.5 oz) unsalted butter, softened
  • 1/2 cup (109g) granulated sugar
  • 1 large egg
  • 1 tsp vanilla extract
  • 1/4 cup (2 oz) milk
  • 1/4 cup (2 oz) sour cream


  1. Preheat oven to 350 degrees. Butter an 8 by 8-inch baking dish then line with two sheets of parchment, butter parchment (alternately you can just butter and lightly flour the dish if you don't care to lift out the whole cake).
  2. For the crumbs:
  3. In a mixing bowl whisk together brown sugar, granulated sugar, cinnamon and salt. Pour in melted butter and stir to combine.

  4. Slowly add flour and mix with wooden spoon or a spatula until no streaks of flour remain. Set aside to rest while cake batter is prepared.

  5. For the cake:
  6. In a mixing bowl whisk together flour, baking powder, baking soda and salt for 20 seconds, set aside.
  7. In the bowl of an electric stand mixer fitted with the paddle attachment, whip together butter and granulated sugar until pale and fluffy. Mix in egg and vanilla. In liquid measuring cup used to measure milk, whisk together sour cream with milk.

  8. Add in 1/3 of the flour mixture to the butter mixture and blend just until combined, then add 1/2 of the milk mixture and mix just until combined. Repeat process once more, then end by mixing in last 1/3 of the flour mixture until nearly combined. Scape down sides and bottom of bowl using a rubber spatula and fold batter to fully incorporate.

  9. Pour batter into prepared baking dish and spread into an even layer. Break crumb mixture into pea size crumbs and drop evenly over batter.

  10. Bake in preheated oven until toothpick inserted into center comes out free of batter and cake doesn't sink when touched in center, about 32 - 35 minutes. Cool in cake pan 10 minutes, then using parchment overhang lift cake from pan and cool on a wire rack. Store in an airtight container.

Course: Dessert
Cuisine: American
Keyword: Coffee Cake, Crumb Cake
Author: Jaclyn


  • Rosemarie dito: I loved the cake but my crumbs melted into the batter please help solve this August 13, 2019 at 9:12am Reply

    • Jaclyn: It sounds like the crumb portion maybe needs a little more flour next time. August 13, 2019 at 11:33pm Reply

  • Lola Bellucci: First time making this,hope my husband likes it !! July 21, 2019 at 5:55am Reply

  • June Hahn: This was my first time ever making crumb cake. The recipe was great and everyone who ate it loved it.normally I don’t like making recipes that I’ve never used before because I’m worried they’re going to turn out weird but this recipe turned out fine. My only warning is that if you don’t like super sweet foods I the less sugar in the crumb topping because it is sweeter than most coffee cakes I have had. Other than that the recipe was great but again I’m the type of person who doesn’t like super sweet foods. May 18, 2019 at 5:58pm Reply

  • Baby: Crumbs didn’t come out right
    To much flour? ? April 25, 2019 at 1:34pm Reply

  • Wendy Houghton: I am a very good Baker. I made it 3 times exactly as the recipe states. Under cooked every time. I tried increasing the bake time. Won’t make this again. April 20, 2019 at 3:10pm Reply

    • June Hahn: I just made this recipe for the first time and it came out fine for me. I don,t know what it did not work for you. Everyone who ate it loved it. May 18, 2019 at 5:55pm Reply

  • Jennifer: Delicious! Thanks for the recipe. First time attemping a crumb cake. March 27, 2019 at 6:41pm Reply

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