Image 1 of 1 Au Gratin Potatoes $39.95 Au gratin potatoes from Frank's Restaurant. A holiday catering side. Pickup in Baton Rouge or Prairieville. Add To Cart Added! Au gratin potatoes from Frank's Restaurant. A holiday catering side. Pickup in Baton Rouge or Prairieville. You Might Also Like Mac and Cheese $34.95 Cole Slaw $19.95 Corn Nuggets $29.95 Scrambled Eggs (10ct) $9.95 Sweet Potato Crunch $34.95 Sold Out