8. Family owned since 1945. Baked fresh by Aunt Millie's. Any Way You Stuff - A Great Bun All Around! What could be better than a grilled Johnsonville Burger with all your favorite toppings? Nothing - especially when it's served on the right bun! The Johnsonville Burger Bun from the bakers at Aunt Millie's is the perfect bun for the job. I have finally found a bun that complements the delicious taste of our Grillers! - Ralph Stayer, Owner - Johnsonville Sausage. Family owned since 1901. Quality Guaranteed. This bag may not be recyclable in your area. Join the Aunt Millie's Club for coupons and recipes at AuntMillies.com.