Buttermilk Blueberry Crumb Cake - The Southern Lady Cooks

This Buttermilk Blueberry Crumb Cake is super easy to make and would be the perfect addition to any brunch. The crumb topping is delicious and it’s wonderful with coffee. If you have followed our site for any amount of time you know we love simple breakfast recipes and this is definitely one of those. You could easily make this on a Sunday and enjoy it during the week.

Buttermilk Blueberry Crumb Cake simple ingredients needed:


All-Purpose Flour

Baking Soda

Ground Cinnamon


Granulated White Sugar


Sour Cream


Vanilla Extract


Brown Sugar


This easy coffee cake is made in a 9X9, so it’s perfect for a small gathering. If you don’t have buttermilk you can always make a buttermilk substitute. We love these smaller breakfast treats because they are okay for just a few people. It’s sometimes nice to just make a “little something”… instead of a big cake.

If you love this recipe you may always want to check out this delicious Blackberry Coffee Cake. It is one of our most popular recipes and it’s so easy to make!

Full printable recipe in recipe card below.

Buttermilk Blueberry Crumb Cake - The Southern Lady Cooks

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Buttermilk Blueberry Crumb Cake

Super easy coffee cake your family will love!

Prep Time15 mins

Cook Time1 hr

Total Time1 hr 15 mins

Course: Breakfast

Cuisine: American, southern

Keyword: Buttermilk Blueberry Coffee Cake

Servings: 4 servings

Author: The Southern Lady Cooks

  • 2 cups of fresh blueberries
  • 1 1/2 cups all-purpose flour
  • 1/2 teaspoon baking soda
  • 1/2 teaspoon ground cinnamon
  • 1/2 teaspoon salt
  • 1/2 cup white granulated sugar
  • 1 stick butter or 1/2 cup melted
  • 1/2 cup of sour cream
  • 1/2 cup of buttermilk
  • 2 teaspoons vanilla extract
  • 2 eggs

Streusel Topping:

  • 1/3 cup white granulated sugar
  • 1/3 cup brown sugar
  • 1 teaspoon ground cinnamon
  • 1/4 teaspoon of allspice
  • 1 1/4 cups all-purpose flour
  • 1 stick butter or 1/2 cup melted
  • Whisk together the flour, baking soda, cinnamon, salt and sugar in a large mixing bowl. Pour in melted butter, sour cream and buttermilk. Mix well with a spoon.

  • Add vanilla extract and eggs. Mix to combine. Fold blueberries into cake mixture. Spray a 9×9 inch baking dish with cooking spray and add cake mixture.

  • Make the streusel recipe below and crumble on the top of the cake mixture.

Streusel Topping Instructions:

  • Whisk together all ingredients but butter. Melt butter and stir into flour mixture with spoon. Crumble on top of cake mixture.

  • Bake cake in preheated 350 degree oven for 55 to 60 minutes until center tests done. Can sprinkle on powdered sugar before serving.

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