New York Style Crumb Cake Recipe

Bake the ultimate New York Style Crumb Cake with a towering, cinnamon-spiced streusel and a moist, sour cream-infused base that never goes dry.

About Ingredients Instructions Servings Tips Substitutes

Why This Recipe Works:

• High-fat sour cream lowers the batter's pH, weakening gluten development to yield an incredibly tender, melt-in-your-mouth crumb.
• Melted butter in the topping saturates the flour completely, preventing starch gelatinization and keeping the crumbs distinct and crisp rather than pasty.
• Pressing the heavy streusel layer firmly into the raw batter ensures they fuse together during the oven rise instead of separating.

I still remember the sticky vinyl booth at the corner diner on 86th Street, where a thick slab of crumb cake sat on a chipped ceramic plate, its towering mountain of cinnamon streusel threatening to slide off with every poke of my fork. My fingers were perpetually coated in a fine layer of powdered sugar as I picked off the giant crumbs, leaving the yellow cake beneath abandoned. It was a glorious, albeit highly unbalanced, breakfast ritual.

That cake was a revelation.

Most modern recipes treat the cake as an afterthought, yielding a dry, sponge-like base. To fix this, we rely on full-fat sour cream to introduce lactic acid, which tenderizes the protein matrix and ensures the crumb remains incredibly moist for days.

We also need to talk about the crumb-to-cake ratio. It must be a bold, unapologetic one-to-one.

Getting those massive, gravel-sized chunks requires a specific hand technique; you must gently toss the melted butter into the flour mixture with a fork until large clumps form. If you over-mix, you destroy the pockets of air and fat, leaving you with a greasy sheet of dough. While spreading the batter can feel a tad clumsy because of its sticky density, that thickness is exactly what supports the heavy streusel.

Trust the process.

While a classic Sour Cream Coffee Cake (with Crumb Topping) has its place, this New York version is hands down the ultimate morning treat.

For the best results, use a heavy-duty metal baking pan rather than glass, as metal conducts heat rapidly to set the edges beautifully. Grab your favorite mug of coffee, dust the top with a snowstorm of confectioners' sugar, and prepare for pure, unadulterated comfort.

New York Style Crumb Cake

• Publisher RecipeVolt
• Cuisine American
• Category Breakfast, Cake
• Prep Time 15 minutes
• Cook Time 50 minutes
• Servings 12 servings
• Calories 490 calories
• Rating 4.8 387
• Tags Crumb Cake, Breakfast Cake, Cinnamon Streusel, Sour Cream Cake

Ingredients

• Crumb Topping:
• 1 cup (200g) packed light or dark brown sugar
• 1/2 cup (100g) granulated sugar
• 1 Tablespoon ground cinnamon
• 1/2 teaspoon salt
• 1 cup (16 Tbsp; 226g) unsalted butter, melted
• 2 and 1/2 cups (313g) all-purpose flour (spooned & leveled)
• Cake Base:
• 2 and 1/2 cups (313g) all-purpose flour (spooned & leveled)
• 1 teaspoon baking soda
• 1/2 teaspoon baking powder
• 1/2 teaspoon salt
• 3/4 cup (12 Tbsp; 170g) unsalted butter, softened to room temperature
• 1 cup (200g) granulated sugar
• 3 large eggs, at room temperature
• 1 cup (240g) full-fat sour cream, at room temperature
• 2 teaspoons Homemade Vanilla Extract
• Optional: confectioners’ sugar for dusting

Directions

1. Preheat your oven to 350°F (177°C). Line a 9x13-inch baking pan with parchment paper, allowing some overhang for easy removal, or grease it thoroughly with butter.
2. Assemble the crumb topping by combining the brown sugar, granulated sugar, ground cinnamon, and salt in a medium bowl. Pour in the warm melted butter and stir briefly, then scatter the flour over the top and use a fork to gently toss and press the mixture until large, distinct clumps form. Do not over-mix, or it will turn into a paste.
3. For the cake base, whisk together the flour, baking soda, baking powder, and salt in a separate bowl until completely uniform.
4. In a stand mixer fitted with the paddle attachment, beat the room-temperature butter and granulated sugar on high speed for 3 minutes until light, fluffy, and pale yellow. Scrape down the bowl, then add the eggs, sour cream, and vanilla extract, beating on medium-high until combined (don't worry if the batter looks slightly broken or curdled at this stage).
5. Turn the mixer to low speed and add the dry ingredients, mixing just until the flour disappears into a thick, sticky, and velvety batter.
6. Scrape the batter into your prepared pan, smoothing the surface with an offset spatula. Scatter the crumb topping evenly over the batter, then use your palms or a flat spatula to press the crumbs firmly into the cake so they adhere.
7. Bake for 45 to 55 minutes, checking at the 45-minute mark with a toothpick inserted into the center of the cake; it should come out clean. If the top crumbs begin to darken too quickly, tent the pan loosely with aluminum foil for the final 10 minutes.
8. Cool the cake in the pan on a wire rack for at least 30 to 45 minutes, then dust generously with confectioners' sugar using a fine-mesh sieve before slicing.

Notes

Keep these essential tips in mind to ensure your crumb cake turns out bakery-perfect every single time:

• We highly recommend using Diamond Crystal kosher salt; if you are using Morton's or standard table salt, cut the measurement in half (use 1/4 teaspoon instead of 1/2 teaspoon) to avoid an overly salty cake.
• Full-fat sour cream is non-negotiable here because its high acidity breaks down gluten bonds, yielding an incredibly tender crumb, while its fat content prevents the cake from drying out during the long bake.
• Keep a close eye on the oven during the last 10 minutes of baking; the high sugar content in the massive crumbs can transition from beautifully caramelized to burnt very quickly. If they look deep mahogany, tent with foil immediately.
• This cake actually improves after 24 hours as the moisture from the sour cream base migrates into the crumb topping, softening it slightly into a perfect, melt-in-your-mouth texture.
• To make crumb cake muffins, fill a standard 12-count lined muffin tin nearly to the top with batter, press the crumbs firmly on top, and bake at 425°F (218°C) for 5 minutes before lowering the temperature to 350°F (177°C) for another 15-17 minutes.

Serving Suggestions

This cake is a powerhouse of textures, balancing a dense, velvety crumb with a crunchy, spiced topping. Here is how to serve it for maximum impact:

• Pair with a bitter, dark roast espresso to cut through the intense sweetness of the cinnamon-sugar topping.
• Serve alongside a tart berry compote, like the one from our Blueberry Cream Cheese Pastry Braid, to provide a bright, acidic contrast to the buttery cake.
• Warm a slice slightly in the microwave for 10 seconds to soften the butter in the cake, making it incredibly plush against the room-temperature crumbs.
• Accompany with a dollop of unsweetened, cold crème fraîche to balance the sweet, spiced profile with a clean, tangy finish.
• Enjoy a slice alongside a warm bowl of spiced fruit, similar to the filling of our Apple Crumble Pie, for a comforting autumn breakfast.

Storage and Reheating

Store any leftover cake at room temperature in an airtight container for up to 3 days. Wrap it tightly in plastic wrap before sealing the lid, which prevents the cake base from drying out, though be aware that the powdered sugar will dissolve into the crumbs overnight.

Wrap individual slices in plastic and refrigerate for up to 5 days. Cold temperatures will temporarily firm the butter.

To restore that fresh-baked, melt-in-your-mouth texture, reheat a slice in a 300°F (149°C) oven or toaster oven for about 5 to 7 minutes. This warms the butter and revives the crispness of the streusel without drying out the interior.

For long-term storage, this cake freezes beautifully for up to 3 months. Wrap the entire cooled cake (minus the confectioners' sugar) or individual slices tightly in a double layer of plastic wrap and a layer of heavy-duty aluminum foil, then thaw at room temperature before dusting and serving.

Ingredient Substitutes

If you find yourself missing an ingredient, these tested swaps will keep your bake on track without sacrificing the signature texture.

1. Sour cream → Full-fat plain Greek yogurt: Swap in a 1:1 ratio (240g). Stir the yogurt vigorously before adding to ensure no liquid whey separates into the batter.
2. Unsalted butter (in cake) → Virgin coconut oil: Swap in a 1:1 ratio (170g), ensuring it is solid but soft. Cream the coconut oil and sugar for an extra minute to incorporate enough air, as coconut oil lacks the natural emulsifiers found in butter.
3. All-purpose flour (in topping) → Pastry flour: Swap in a 1:1 ratio (313g) to yield an even tenderer, melt-in-your-mouth crumb. Use a lighter hand when tossing with the melted butter to prevent the delicate flour from clumping too densely.
4. Granulated sugar (in cake) → Caster sugar: Swap in a 1:1 ratio (200g). Reduce the creaming time by 30 seconds, as the finer crystals dissolve and aerate the butter much faster.
5. Light brown sugar → Dark brown sugar: Swap in a 1:1 ratio (200g) in the topping for a deeper, caramel-like flavor. Increase the baking time by 2 minutes to account for the slightly higher moisture content of dark brown sugar.

There is something deeply comforting about a cake that refuses to skimp on the best part. Once you pull this golden, sugar-dusted beauty from the oven, your kitchen will smell like an old-school bakery, and your morning coffee will have found its lifelong companion.