Expert Dishes

Dishes that provide the most XP's per minute: Summer Pudding @ 1.7 per minute
Dishes that provide the least XP's per minute: Steak w/ Vegetables @ .003 per minute

Professional Dishes

Dish that will give you the most XP's per minute: Blueberry Muffin @ .5 per minute
Dish that will give you the least XP's per minute: Chocolate Brownie & Chocolate Nut Cookies @ .005 per minute

Advanced Dishes

Dish that will earn you the most XP's per minute: Blackberry Crumble @ .5
Dish that will earn you the least XP's per minute: Peach Melba @ .005

Intermediate Dishes

Dish that will get you the most XP's : Fortune Cookies @ 1.2/minute
Dish that will get you the least XP's : Irish Cream Cheesecake & Pork Kebab at .007/minute

Beginner Dishes

Dish that will get you the most XP's : Apple Pie @ .6

Dish that will get you the least XP's: Bacon Sandwich @ .002