Per Bun: 150 calories; 0 g sat fat (0% DV); 240 mg sodium (10% DV); 3 g sugars. Any way your stuff it A great bun all around! What could be better than a grilled Johnsonville burger or brat with all your favorite toppings? Nothing - especially when it's served on the right bun! The Johnsonville stadium bun from the bakers at Aunt Millies is the perfect bun for the job. I have finally found a bun that complements the delicious taste of our meals! - Ralph Stayer, Owner Johnsonville Sausage. School spirit. Family owned since 1901. Quality Guaranteed. 1-855-755-Bake (2253). Join the Aunt Millie's club for coupons and recipes at AuntMillies.com.