I'm a cookbook nerd. I can sit and read them page by page like a novel. Every so often I check several out from the library. Admittedly, I end up returning them sometimes with with a few spots, but I do try to keep them clean. I recently checked out Rose's Heavenly Cakes by Rose Levy Beranbaum. She also wrote The Cake Bible 20 some years ago. I guess that title wasn't much of an exaggeration, as a lot of people see it as the definitive word on cakes. She's good at explaining why you should do things a certain way or use a certain ingredient, which I appreciate and gives me a better understanding on how the recipes work. I've already made three of the cakes, but this was the first I tried, and it tastes just like those thick buttery slices you can get at a good breakfast restaurant.
Cinnamon Crumb Topping:
1 cup walnuts
1/3 cup brown sugar
2 T sugar
1 1/2 tea. cinnamon
1/2 cup plus 1 Tablespoon sifted all purpose flour (or 2.2 oz)
4 T butter
1/2 tea. vanilla
In a food processor, pulse the walnuts, brown sugar, regular sugar, and cinnamon until the walnuts are coarsely chopped. Remove and set aside 1/2 cup to use for the filling. To the remainder, add the flour, butter, and vanilla and pulse briefly to form a coarse, crumbly mixture. Scrape into a medium bowl and refrigerate it for about 20 minutes to firm up the butter and make it easier to crumble.
Batter
1 tart apple such as Granny Smith
2 tea. lemon juice
2 large eggs at room temperature*
2/3 cup, divided, of sour cream
1 1/2 tea. vanilla
1 3/4 cups sifted all purpose flour (7 oz)
1 cup sugar
1/2 tea. baking powder
1/2 tea. baking soda
1/4 tea. salt
12 T butter (65 to 75 degrees)*
*Rose uses a different technique for mixing than I've ever seen before that is supposed to both be a little bit faster as well as produce a finer, more velvety crumb. However, the key to making it work is room temperature eggs and butter at 65-75 degrees. Thankfully, both are pretty easily achieved. To bring eggs to room temp, just place them in a bowl of hot tap water for 5 minutes. Microwaves vary, but for me, taking butter out of the fridge and zapping it for 10 seconds brings it to that magical temperature.
Preheat the oven to 350 for at least 20 minutes.
Peel, core, and slice the apple 1/4 inch thick (should be a heaping cup). Sprinkle with lemon juice and set aside.
In a medium bowl, whisk the eggs, 3 T of the sour cream, and the vanilla just until lightly combined.
In the bowl of a stand mixer fitted with the flat beater, mix the flour, sugar, baking powder, baking soda, and salt on low speed for 30 seconds. Add the butter and the remaining sour cream and mix on low speed until the dry ingredients are moistened. Raise the speed to medium and beat for 1.5 minutes. Scrape down the sides of the bowl.
Starting on medium-low speed, gradually add the egg mixture in two parts, beating for 30 seconds after each addition to incorporate the ingredients and strengthen the structure. Scrape down the sides of the bowl.
Using a silicone spatula, scrape about two-thirds of the batter into a greased 9 inch springform pan and smooth the surface evenly. Using your fingers, sprinkle lightly with the reserved 1/2 cup crumb topping and top with two rows of overlapping apple slices. Drop the remaining batter in large blobs over the apples and spread it evenly.
Bake the cake for 35 minutes.
Meanwhile, use your fingertips to pinch together the refrigerated crumb topping, breaking up the larger pieces so that about one-third of the mixture is formed into 1/4 inch balls or clumps and the rest is in small particles. Let them fall onto a large piece of parchment paper and add the rest of the lightly pinched crumbs.
Remove the pan from the oven after it has cooked for 35 minutes. Using the parchment as a funnel, quickly and evenly strew the surface with the crumb topping. Return the pan to the oven and continue baking for 20 to 30 minutes until a toothpick comes out clean.
Cool for 10 minutes then remove the sides of the springform pan. It will take 1.5 hours to cool completely, but we like ours a bit warm still.