A tender yellow cake topped with an extra-thick layer of buttery cinnamon crumb topping, a classic New York bakery treat.
New York style crumb cake is distinguished from other crumb cakes by one defining feature: an exceptionally thick, chunky layer of buttery, cinnamon-spiced crumb topping that often equals or exceeds the height of the cake itself. Found at delis and bakeries throughout New York City and the broader tri-state area, it's a beloved breakfast and coffee-break treat, with the ratio of crumb to cake being a point of genuine local pride and debate. The technique that defines this cake is building the crumb topping to the right consistency: butter, flour, brown sugar, and cinnamon are combined and then deliberately left slightly chunky rather than fully mixed smooth, so the topping bakes into distinct, craggy crumbs rather than a flat, streusel-like layer. The cake batter itself is kept simple and moist, acting mainly as a tender base to support the substantial crumb topping without competing for attention. Served at room temperature, dusted with powdered sugar, New York style crumb cake is a beloved regional specialty -- proof that sometimes the topping, not the cake, is the real star of the dish.
Serves 9
Combine flour, brown sugar, cinnamon, and salt. Pour in melted butter and mix with a fork just until large, chunky crumbs form -- do not overmix into a smooth paste.
Whisk flour, sugar, baking powder, and salt for the cake.
Beat softened butter until fluffy, then beat in egg, milk, and vanilla.
Fold the wet ingredients into the dry ingredients until just combined into a smooth, thick batter.
Preheat oven to 175C/350F. Spread the cake batter evenly in a greased square baking pan.
Break the crumb mixture into chunks and scatter generously and evenly over the batter, covering the entire surface thickly.
Bake 35-40 minutes until a toothpick inserted into the cake portion comes out clean.
Let cool in the pan at least 20 minutes. Dust with powdered sugar and cut into squares.
Don't overmix the crumb topping -- it should form large, uneven chunks, not a smooth paste, which is what gives New York crumb cake its signature craggy texture.
Spread the crumb topping generously and thickly; the defining feature of this style is a topping that rivals or exceeds the cake in volume.
Let the cake cool for at least 20 minutes before cutting, since the crumb topping needs time to set and firm up slightly.
Add a layer of sliced apples between the cake and crumb topping for an apple crumb cake variation.
Use a mix of white and brown sugar in the crumb topping for a slightly different sweetness balance.
Add chopped walnuts or pecans to the crumb mixture for extra texture.
Store covered at room temperature up to 3 days, or refrigerate up to a week. It also freezes well, wrapped tightly, for up to 2 months.
New York style crumb cake is closely associated with the delis, bakeries, and Jewish culinary traditions of New York City and the surrounding tri-state area, distinguished from other regional crumb cakes by its notably thick, generous crumb topping.
The mixture was likely overmixed. Combine the butter and dry ingredients with a fork just until large clumps form, resisting the urge to mix it smooth.
Yes -- crumb cake keeps well for several days at room temperature and can even taste better the next day once the flavors have settled.
The cake batter may not have had enough structure, or too little baking powder was used. Ensure accurate measuring, and don't skimp on the leavening, since it needs to support the substantial crumb layer.
Per serving (110g / 3.9 oz) · 9 servings total
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