If you're a fan of the classic combination of chocolate and peanut butter, you'll love these Thermomix peanut butter brownies. The recipe combines a fudgy chocolate brownie base with a swirl of creamy peanut butter. The Thermomix makes it a breeze to mix the batter and create the perfect marbled effect. The brownies are baked until gooey and delicious, with a hint of peanut butter in every bite. They are a crowd-pleasing treat that will satisfy any sweet tooth.