Blum S Coffee Crunch Cake Recipe

This was a popular signature cake in the 70 s from a san francisco bakery called blum s and i can understand why it was so popular.

Blum s coffee crunch cake recipe. Place the cake on a turntable or cake stand and using a long serrated knife slice the cake horizontally in half. Add the sugar coffee and corn syrup to the pot and cook over medium high heat stirring occasionally with a heatproof silicone spatula until the mixture reaches 270 f about 10 minutes. Preheat oven to 350 degrees. Directions for the coffee crunch.

1 1 4 cups 6 25 ounces all purpose flour. 5 large eggs separated plus 2 large egg whites. Adjust rack in lower third of oven. Sift flour 3 4 cup sugar and the salt onto a sheet of wax paper.

Blum s coffee crunch cake. To make the cake. 1 4 cup 2 ounces canola oil. Attach a candy thermometer to the side of a 4 to 6 quart heavy pot.

Scatter 1 cup of the crunch evenly to cover the bottom half. Bring to a boil and cook until mixture reaches 310 degrees on a candy thermometer or hardcrack stage when a small amount dropped into cold water breaks with a brittle snap. Blum s coffee crunch cake serves 8 for chiffon cake. Cover both halves with whipped cream using approximately 1 2 cup per side.

1 teaspoon cream of tartar. 1 teaspoon grated lemon zest. It teams a light sponge cake with rich coffee frosting and crunchy shards of coffee flavored candy. Martha recreates the iconic dessert from blum s bakery in san francisco.

Remove the top half and place cut side up on a plate. It was hard to pick from this month s cake slice baker s four choices but i finally decided on blum s coffee crunch. Combine sugar coffee and corn syrup in saucepan at least 5 deep. 1 2 teaspoon kosher salt.

1 teaspoon vanilla extract. Position a rack in the center of the oven and heat the oven to 350 f. Martha made this recipe on martha bakes episode 710. 1 1 2 cups 10 5 ounces sugar.

Sift flour cup sugar and the salt onto a sheet of wax paper. When the blum s stores closed in the 70s the recipe for coffee crunch cake was still a well kept secret.