Real California milk. From pasture-raised cows not treated with growth hormone rBST (Made with milk from cows not treated with growth hormones. The FDA has stated that no significant difference has been shown between milk derived from rBST treated and non-rBST o treated cows). We long-churn our chef's choice butter in small batches. The low moisture, and high butterfat puts the home in homemade, the flaky in pie crust, and adds a depth and richness to all your creamy sauces. First quality.