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Blum’s Coffee Crunch Cake

In the 1940s, Blum’s, the venerable San Francisco chain of pastry shops, created this crunchy-velvety coffee cake. Ernest Weil, a Blum’s operations manager, wanted to repurpose some of the shop’s candy that was too hard to chew. He hammered the candy into pieces. Then he covered a three-layer sponge cake with coffee-flavored whipped cream and decorated the cake with the shattered bits of candy. Blum’s famous Coffee Crunch Cake was born.

Recipe Servings: 10

Prep Time
20 minutes
+ 1 hour resting
Cook Time
10 minutes
Total Time
1 hour 30 minutes
Vegetarian
Vegan
Gluten Free
Dairy Free
Kosher
Halal

Ingredients

Directions

  1. In a large, heavy-bottomed saucepan, gently boil sugar, corn syrup, and ¼ cup espresso. Increase the heat until it reaches 310°F on a candy thermometer.
  2. Meanwhile, use butter or shortening to grease a large baking tray.
  3. Remove candy from the heat and vigorously whisk in baking soda, which should immediately foam up. Whisk until the mixture pulls away from the sides of the pan.
  4. Pour candy onto the greased tray without spreading or stirring. Leave to cool at least 1 hour.
  5. Crush cooled candy into small pieces.
  6. Whip cream with remaining espresso.
  7. Frost angel food cake with coffee cream and cover with candy pieces.

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