Official Website of Kate's Homemade Butter. Welcome to Kate's, home of the freshest, creamiest, most delicious butter you'll ever taste. Kate's Homemade Butter has earned First Place as the World Dairy Expo Dairy Champion in 2006 and 2008. Kate's Homemade Butter is ALL NATURAL and churned fresh daily, the old fashioned way. Made in Maine. Homemade butter made with ONLY the wholesome goodness of fresh pasteurized sweet cream. No preservatives, no artificial coloring, no artificial flavoring. Butter from cows not treated with rBGH (rBST). Kate's Homemade Butter in Maine.