Mary Berry Blondie Recipe
A classic Mary Berry traybake featuring the rich caramel flavor of muscovado sugar and chunks of creamy white chocolate.
- Time: 70 min
- Servings: 100
Source: Mary Berry Recipes
Ingredients
- butter
- light muscovado sugar
- large egg
- vanilla extract
- self-raising flour
- baking powder
- white chocolate, chopped
- chopped walnuts