There’s nothing quite like a slice of blueberry crumb cake to brighten your day. Bursting with juicy blueberries and topped with a buttery, oat filled crumb, the perfect balance between soft, tender cake and crunchy streusel. It’s a delightful treat that works just as well for a relaxed weekend breakfast as it does for an afternoon snack with coffee or tea. Plus, the combination of tart berries and sweet crumble topping makes every bite irresistible.
One of the best things about this recipe is its simplicity—no complicated techniques, just classic baking ingredients that come together beautifully. Fresh or frozen blueberries work equally well, so you can enjoy this cake year-round. The streusel topping adds texture and flavor, giving it that perfect bakery-style finish. Whether you’re baking for guests or just treating yourself, this blueberry crumb cake is sure to become a favorite in your kitchen!
Ingredients
Cake Batter
- Flour- 1-1/2 cups
- Brown Sugar- 1-1/2 cups
- Baking Powder- 1-1/2 teaspoons
- Baking Soda- 1/4 teaspoon
- Cornstarch- 1 tablespoon
- 2 Large Eggs, 1 Egg Yolk
- Vegetable Oil- 1/4 cup
- Rum Extract- 1 teaspoon
- Almond Extract- 1 teaspoon
- Vanilla Extract- 1/2 teaspoon
- Fresh Lime Juice- 1 tablespoon
- Fresh Blueberry- 2 cups
Streusel
- Browned Butter- 1 stick
- Flour- 3/4 cup
- Old Fashioned Oats- 3/4 cup
- White Sugar- 3/4 cup
- Salt- 1/2 teaspoon
- Cinnamon- 1 teaspoon
- Nutmeg- 1/2 teaspoon
- Ginger- 1 teaspoon
- Allspice- 1/4 teaspoon
- Cloves- 1/4 teaspoon
What You’ll Need
- 3 Mixing Bowls
- 9-Inch Round Cake Pan
How to Make Blueberry Crumb Cake
- Pre-heat oven to 350F.
- Toss blueberries in 1 tablespoon of flour and lime juice then set them aside.
- Now make the streusel by Combining flour, sugar, oats , salt, and spices. Next, slowly add in the butter then mix with a spatula until clumps form and set aside.
- In a separate mixing bowl, whisk together eggs, vegetable oil, rum, vanilla, and almond extracts.
- Add in flour, baking soda, baking powder, salt, and cornstarch. Mix until flour streaks disappear (be careful not to overmix).
- Pour batter in a well greased 9-inch round cake pan. Top the batter with an even layer of blueberries then top blueberries with an even layer of streusel.
- Bake for about 55-60 minutes or until a toothpick comes out clean. Allow the cake to cool in pan for 10 minutes then slice cake into 8 hearty slices and enjoy!
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