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Crumb Cake

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This crumb cake is made with sour cream for tang and topped with big fat crumbs! People can’t get enough of it!

Sour Cream Coffee Cake

Sometimes, crumb cakes lean towards dry (you really need that cup of coffee to help it go down).  Not so with this one!

This crumb cake is super moist and tastes of brown sugar, cinnamon, and giant bear hugs.

The Difference Between Crumb Cake and Coffee Cake

The term crumb cake and coffee cake can be used interchangeably. They are both unfrosted cakes with a crumb topping.

New York crumb cake (which this cake is not) is a special kind of crumb cake with a nearly equal amount of crumbs and cake.

If you want more crumbs on this cake, go for it! Just double the crumb part of this recipe. The more crumbs, the merrier!

How to Make Crumb Cake Topping

Crumb Topping Ingredients

Oats are the secret ingredient in the perfect crumb topping! It gives the topping a great texture.

I also always use brown sugar rather than white sugar in crumb topping as I love the flavor!

Crumb Cookies

I love my crumb topping so much that sometimes I bake just the topping into crumb cookies!

Crumb Topping Variation

Apple Pie Crumb Topping

If you want to switch it up, you can use granola or nuts in the topping.

I like using this technique when I make my crumb topping for apple pie.

Crumbs in the Cake

Sour Cream Coffee Cake

My crumb cake is a bit unconventional in that it uses crumbs both in the batter and on top of the cake.

As you can see above, the crumbs in the batter won’t be visible in the end, but they make the cake nice and moist and buttery.

Using Greek Yogurt Instead of Sour Cream

substituting yogurt for sour cream

My crumb cake recipe uses sour cream to give the cake a little bit of a tang.

I’ve done extensive testing and found that you can replace the sour cream with yogurt or Greek yogurt and not notice any difference. So, use whatever you have on hand.

If you've tried this recipe, please RATE THE RECIPE and leave a comment below!

Sour Cream Coffee Cake
4.84 from 6 votes

Crumb Cake

A cinnamon and brown sugar coffee cake with a perfect crumb topping

Course Dessert
Cuisine American
Keyword baking, coffee cake, crumb cake
Prep Time 10 minutes
Cook Time 55 minutes
Total Time 1 hour 5 minutes
Servings 12 8" round cake
Calories 475 kcal


Crumb Ingredients

  • 1/2 cup unsalted butter melted
  • 1 1/4 cups all-purpose flour
  • 6 tablespoons brown sugar same as 1/4 cup + 2 tablespoons
  • 6 tablespoons rolled oats same as 1/4 cup + 2 tablespoons

Cake Ingredients

  • 1 cup unsalted butter room temperature
  • 3/4 cup brown sugar
  • 3/4 cup white sugar
  • 2 large eggs
  • 1 cup full-fat sour cream
  • 1/2 teaspoon vanilla extract
  • 2 cups all-purpose flour
  • 1 teaspoon baking powder
  • 1/8 teaspoon salt


Crumb Instructions

  1. Mix all ingredients in a small bowl until large crumbs form.

Cake Instructions

  1. Preheat oven to 350 F.
  2. Beat butter, brown sugar, and white sugar in a medium-sized mixing bowl until light and fluffy.
  3. Beat in eggs one at a time.
  4. Beat in sour cream and vanilla.
  5. In a separate medium-sized mixing bowl, whisk together flour, baking powder, and salt.
  6. Add flour mixture to wet ingredients a little bit at a time until just combined.
  7. Spread half of the batter into a greased 8" round cake pan.
  8. Top with half of the crumbs. (These crumbs will all but disappear during baking, but will add to the moistness of the cake.)
  9. Top with the remaining batter.
  10. Top with remaining crumbs.
  11. Bake for 55 minutes or until a toothpick inserted into the center of the cake comes out clean.

Recipe Notes

Adapted from AllRecipes Sour Cream Coffee Cake III

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