Name: Brownie Cookie Sandwich with Peanut Butter Frosting
Prep time: 30 min
Cook time: 15 min
Total time: 45 min
Yield: 10 - 20
Ingredients: 1 stick / 1/2 cup / 115g unsalted butter (, cut into chunks); 10 oz / 300g dark chocolate chips ((or buttons, melts or block chocolate cut into chunks)); 1 cup + 2 tbsp caster sugar; 3 eggs; 2 tbsp cocoa powder; 1 tsp vanilla extract; 1/2 tsp salt; 1/2 tsp baking powder; 3/4 cup plain flour; 1/2 cup dark chocolate chips; 1 cup smooth peanut butter; 1 cup confectioners' sugar ((icing sugar)); 2.5 oz / 5 tbsp / 70g / 2/3 stick unsalted butter (, softened); 3/4 tsp vanilla extract; 1/4 tsp salt; 1/3 cup heavy cream ((unwhipped pouring cream))