Sour Cream Pound Cake Loaf with Crumb Topping

A sour cream pound cake loaf finished with a crunchy crumb topping.

Love the idea of a moist, rich pound cake but crave the cozy, bakery-style appeal of a crumb topping? This recipe gives you the best of both worlds in a perfectly portioned loaf.

This isn’t just a cake with streusel sprinkled on top. We’ve engineered a supremely tender sour cream pound cake batter that bakes up into a lofty loaf, crowned with a thick, buttery, cinnamon-spiced crumb that bakes into a crisp, craggy blanket. It’s the ultimate coffee cake meets classic pound cake.

Recipe Details

Prep TimeCook TimeTotal TimeServingsDifficulty
25 mins60-70 mins95 mins10Easy

What You’ll Need

The crumb topping uses a “reverse creaming” method for the perfect clumpy texture.

For the Crumb Topping:

  • All-Purpose Flour: ¾ cup.
  • Light Brown Sugar: ½ cup, packed.
  • Granulated Sugar: 2 tablespoons.
  • Ground Cinnamon: 1 teaspoon.
  • Unsalted Butter: 6 tablespoons (¾ stick), cold and cut into small cubes.
  • Salt: A pinch.

For the Pound Cake Loaf:

  • All-Purpose Flour: 1 ¾ cups.
  • Baking Powder: ½ teaspoon.
  • Baking Soda: ¼ teaspoon.
  • Salt: ¼ teaspoon.
  • Unsalted Butter: ½ cup (1 stick), room temperature.
  • Granulated Sugar: 1 cup.
  • Large Eggs: 2, room temperature.
  • Sour Cream: ½ cup, room temperature.
  • Pure Vanilla Extract: 1 ½ teaspoons.

Step-by-Step Directions

Make the crumb topping first so it can chill while you prepare the cake batter.

  1. Preheat and Prepare Pan. Preheat oven to 350°F (177°C). Line a 9×5-inch loaf pan with parchment paper, leaving an overhang on the long sides for easy lifting. Lightly grease any exposed pan.
  2. Make the Crumb Topping. In a medium bowl, whisk together the ¾ cup flour, brown sugar, 2 tbsp granulated sugar, cinnamon, and salt. Add the cold, cubed butter. Using your fingertips, a pastry cutter, or a fork, work the butter into the dry ingredients until the mixture resembles coarse sand, with some larger pea-sized clumps. Do not over-mix into a paste. Refrigerate the topping while you make the batter.
  3. Make the Cake Batter. In a bowl, whisk together the 1 ¾ cups flour, baking powder, baking soda, and salt. In a large bowl, cream the room-temperature butter and 1 cup sugar together for 3-4 minutes until light and fluffy. Beat in the vanilla. Add the eggs one at a time, mixing well after each. With the mixer on low, add the flour mixture in three parts, alternating with the sour cream in two parts (begin and end with flour). Mix just until combined.
  4. Assemble and Top. Spread the batter evenly into the prepared loaf pan. Remove the crumb topping from the fridge and break it up with your fingers. Sprinkle it evenly and generously over the entire surface of the batter, pressing the clumps down gently so they adhere.
  5. Bake. Bake for 60-70 minutes, or until a toothpick inserted into the center of the cake (not just through crumb) comes out clean or with a few moist crumbs. The topping will be deep golden brown.
  6. Cool. Let the cake cool in the pan on a wire rack for 25 minutes. Then, use the parchment overhang to lift it out onto the rack to cool completely before slicing.

How to Serve

This cake is best served slightly warm or at room temperature. It’s perfect for breakfast, brunch, or afternoon coffee. For an extra treat, drizzle slices with a simple vanilla or coffee glaze. It needs no accompaniment, but a dollop of lightly sweetened whipped cream never hurts.

Expert Tips for Success

  • Keep Topping Ingredients Cold: The key to a clumpy, not sandy, topping is using cold butter and not overworking it. Chilling the mixed topping helps the butter re-solidify, preventing it from melting instantly into the batter.
  • Don’t Skimp on the Topping: Pile it on! The thick layer of crumbs will sink slightly into the cake as it bakes, creating a wonderful textural contrast.
  • The Parchment Sling: Lining the pan is crucial here. Trying to remove this delicate, crumb-topped cake from a greased pan alone is a recipe for disaster.
  • Test for Doneness Carefully: Insert your tester into the cake layer beneath the crumb. If it comes out with wet batter, it needs more time even if the topping looks done.

Common Questions

Can I double this recipe?
Yes, you can double it to make two loaves. Do not try to bake a double batch in one larger pan, as it will not bake evenly.

My crumb topping melted into the cake. What happened?
This happens if the butter in the topping was too soft or warm. Ensure it’s cold, and chill the mixed topping before sprinkling. Also, don’t press the crumbs into the batter, just onto it.

Can I add nuts or fruit to the cake?
Absolutely. Fold up to ¾ cup of blueberries (tossed in flour) or ½ cup of chopped nuts into the batter at the end. You can also add ½ cup of the same nuts to the crumb topping.

Can I use a different spice?
Yes! Swap the cinnamon for nutmeg, cardamom, or even a pumpkin pie spice blend for a different flavor profile.

How do I store this?
Store at room temperature, covered loosely with foil or in a cake dome, for up to 3 days. The topping will lose some crispness over time but will still be delicious. Freezing is not recommended as the topping can become soggy upon thawing.

Final Thoughts

This Sour Cream Pound Cake Loaf with Crumb Topping is the ultimate hybrid treat. It delivers the sophisticated, velvety texture of a classic pound cake with the irresistible, homey charm of a crumb coffee cake. It’s a guaranteed winner for any occasion that calls for something special, yet comforting and familiar.

Leave a Reply

Your email address will not be published. Required fields are marked *