Bahan buttermilk homemade:, 125 ml susu UHT, 1 sdt air jeruk lemon, 130 gr tepung beras Rose brand, 10 gr tepung maizena Rose brand, 1/4 sdt garam, 1 sdm coklat bubuk, 1/2 sdt baking powder, 1/2 sdt baking soda, 125 ml minyak goreng Rose brand, 125 gr gula halus Rose brand, 1 butir telur