Crumb cake is a beloved dessert that balances a moist, tender cake with a crunchy, buttery crumb topping. Its combination of textures and flavors makes it a favorite for breakfast, brunch, or anytime you crave something sweet and satisfying. This classic recipe delivers a perfectly flaky crust and a generous crumb topping that stays crisp and delicious with each bite.
Ingredients
- 2 cups (240g) all-purpose flour
- 1 cup (200g) granulated sugar
- 1/2 teaspoon salt
- 1 teaspoon baking powder
- 1/2 teaspoon baking soda
- 1/2 cup (115g) unsalted butter, cold and cubed
- 1 cup (240ml) buttermilk (or milk with 1 tablespoon vinegar)
- 1 large egg
- 1 teaspoon vanilla extract
For the Crumb Topping
- 1 cup (125g) all-purpose flour
- 1/2 cup (100g) light brown sugar, packed
- 1/2 teaspoon ground cinnamon (optional)
- 1/2 cup (115g) unsalted butter, cold and cubed
Instructions
- Preheat your oven to 350°F (175°C). Grease and flour a 9-inch (23cm) square baking pan or line it with parchment paper for easy removal.
- Prepare the cake batter. In a large mixing bowl, whisk together the flour, sugar, salt, baking powder, and baking soda. In a separate bowl, beat the egg, buttermilk, vanilla extract, and melted butter until well combined. Pour the wet ingredients into the dry and gently stir until just combined—be careful not to overmix.
- Pour the batter into the prepared pan. Spread evenly with a spatula, smoothing the top.
- Make the crumb topping. In a medium bowl, combine the flour, brown sugar, and cinnamon if using. Add the cold, cubed butter and use a pastry cutter or your fingers to work the butter into the dry ingredients until the mixture resembles coarse crumbs.
- Sprinkle the crumb topping evenly over the batter. Cover the entire surface to ensure a crunchy topping in every bite.
- Bake for 35-40 minutes. Check for doneness by inserting a toothpick into the center; it should come out clean. If the top is browning too quickly, tent the cake with foil.
- Cool the cake. Allow it to cool in the pan for about 15 minutes before transferring to a wire rack. Let it cool completely before serving to help the crumb set.
Tips
- Use cold butter for the crumb topping. This helps create a flaky, crumbly texture. Work quickly to prevent the butter from melting before mixing.
- Substitute buttermilk with milk and vinegar or lemon juice. Mix 1 cup milk with 1 tablespoon vinegar or lemon juice, let it sit for 5 minutes, then use as directed.
- Avoid overmixing the batter. Overmixing can develop gluten, making the cake dense instead of tender.
- For a richer flavor, add a teaspoon of almond extract to the batter.
- Store leftovers properly. Keep the cake covered at room temperature for up to 2 days, or refrigerate for up to 5 days. To maintain crispness, reheat briefly in the oven rather than the microwave.
Serving Suggestions
Serve crumb cake as a breakfast treat with a cup of coffee or tea. It also pairs beautifully with a dollop of whipped cream or a scoop of vanilla ice cream for dessert. For a more decadent experience, drizzle with a simple glaze made from powdered sugar and milk.
Variations
- Apple Crumb Cake: Fold in 1 cup of chopped apples or apple compote into the batter before baking for a fruity twist.
- Cinnamon Swirl Crumb Cake: Mix 2 tablespoons of cinnamon with the sugar in the crumb topping and swirl a portion of the batter with cinnamon sugar before adding the topping.
- Lemon Crumb Cake: Add 1 tablespoon of lemon zest to the batter and a lemon glaze on top for a citrus flavor.
- Nutty Crumb Cake: Incorporate chopped pecans or walnuts into the crumb topping for added crunch and flavor.
Storage and Reheating
Leftover crumb cake can be stored in an airtight container at room temperature for up to 2 days. After that, transfer it to the refrigerator for up to 5 days. To reheat, place a slice in the microwave for about 15-20 seconds or warm in a 350°F (175°C) oven for 10 minutes. To maintain the crispness of the crumb topping, avoid reheating in the microwave for extended periods, as this can make the topping soggy.
Frequently Asked Questions
Can I make crumb cake ahead of time?
Yes, you can prepare the cake a day in advance. Store it in an airtight container at room temperature for up to 2 days or refrigerate for longer storage. To keep the crumb topping crisp, reheat the cake in the oven before serving.
Can I freeze crumb cake?
Absolutely. Wrap individual slices or the entire cake tightly in plastic wrap and then foil. Freeze for up to 2 months. To enjoy, thaw at room temperature and reheat briefly in the oven to restore crispness.
Is it okay to use margarine instead of butter?
While margarine can be substituted, it may affect the flavor and texture. Butter provides a richer flavor and better crumb consistency. For best results, stick to unsalted butter.
How do I prevent the crumb topping from burning?
Keep an eye on the cake during baking. If the topping starts to brown too quickly, tent the cake with foil. Baking at the correct temperature and using the right amount of butter also helps prevent burning.
What size pan should I use?
A 9-inch square or round cake pan is ideal for this recipe. If using a different size, adjust baking time accordingly, and check for doneness with a toothpick.
Can I add fruit or nuts to the batter?
Yes, adding chopped nuts or fruit like blueberries or chopped apples can enhance the flavor. Fold them gently into the batter before pouring into the pan to distribute evenly.
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