Home 8041 34g Carbs in Trader Joe's Dark Chocolate Peanut Butter Cup $ 16.50 4.6 (699) In stock Description Trader Joe's Dark Chocolate Peanut Butter Cup (3 pieces) contains 18g total carbs, 17g net carbs, 12g fat, 3g protein, and 190 calories.Carbs in Trader Joe's Dark Chocolate Peanut Butter Cup