No rBST: Milk & cream from cows not treated with the growth hormone rBST (No significant difference has been shown between milk from rBST treated and non-rBST treated cows). It's hard to imagine peppermint perfection, but here it is. It starts with creamy white chocolate ice cream that is covered in thick dark chocolate with crunchy peppermint bark pieces. That's Dazs.