Brownie in a mug Tags Sweet Brownies Cook This week Next week Ingredients 2 tbsp melted butter (or oil) 2 tbsp milk ½ tsp vanilla 1 dash salt 2 tbsp sugar 2 tbsp cocoa powder 4 tbsp flour Steps In a coffee mug whisk milk, melted butter, salt and vanilla. Whisk in cocoa powder. Whisk in sugar. Whisk in flour. Microwave