Ingredients
Cake
- 1 Box Betty Crocker™ Devil's Food Cake Mix
- 250 ml water
- 90 ml vegetable oil (6 tbsp)
- 3 medium free range eggs
- 100 g walnut pieces, chopped (leave some whole walnuts to decorate the top of the cake)
Filling and Topping
- 1 tub Betty Crocker™ Vanilla Buttercream Style Icing
- 2 tbsp instant coffee granules dissolved in 2 tbsp hot water