Ingredients
Cake
- 1 box Betty Crocker® SuperMoist® white cake mix
- Water, vegetable oil and egg whites called for on cake mix box
Mocha Crumble
- 280 grams chocolate chips
- 60 grams chopped walnuts
- 75 grams brown sugar
- 2 tablespoons all-purpose flour
- 1 tablespoon instant coffee powder