Place Chicken In A Large Resealable Plastic Bag; Add Buttermilk. Seal Bag And Refrigerate For At Least 4 Hours. In A Shallow Bowl, Combine Butter, Lemon Juice And Garlic. In Another Bowl, Combine Bread Crumbs, Sesame Seeds, Parmesan Cheese, Salt And Pepper. Drain Chicken, Discarding Buttermilk; Dry On Paper Towels. Dip Chicken In Butter Mixture, Then Coat With Crumb Mixture. Place In An Ungreased 11-In. X 7-In. X 2-In. Baking Dish. Drizzle With Remaining Butter Mixture. Bake, Uncovered, At 450 Degrees F For 10 Minutes. Reduce Heat To 350 Degrees F And Bake An Additional 20 Minutes Or Until Juices Run Clear.