If anyone wants to see all of the "A dish for...." quests in one place.
Here they are:
Ella:
5 x Shrimp Dumplings
Ingredients:
5 x Giant Mantis Shrimp
- Obtained from Fishing Pools along the Coast of the Jade Forest
Farmer Fung:
5 x Wildfowl Roast
Ingredients:
5 x Wildfowl Breast
- Is dropped by cranes just North of Halfhill
Gina:
5 x Swirling Mist Soup
Ingredients:
5 x Jade Lungfish
- Fished from pools in streams in rivers in Jade Forest
Haohan:
5 x Charbroiled Tiger Steak
Ingredients:
5 x Raw Tiger Steak
- Drops from tigers all across Pandaria. I suggest the 90 tigers on Windward Isle in Jade Forest
Jogu:
5 x Sauteed Carrots
Ingredients:
10 x Juicycrunch Carrot
- Bought using 1 Ironpaw token or planting seeds.
Sho:
5 x Eternal Blossom Fish
Ingredients:
5 x Jade Lungfish
25 x Striped Melon
- Melons bought with 1 Ironpaw token or seeds planted.
- Jade Lungfish fished from schools along streams and lakes in Jade Forest
Old Hillpaw:
5 x Braised Turtle
Ingredients:
5 x Raw Turtle Meat
25 x Juicycrunch Carrot
- Juicycrunch Carrot bought with 1 ironpaw token or plant a seed
- Raw Turtle Meat drops from turtles all over pandaria. Some nearby near Nesingwary's Safari
Fish:
5 x Twin Fish Platter
Ingredients:
10 x Krasarang Paddlefish
- Fished from pools in Valley of The Four Winds. Found some in the Pools of Purity
Chee Chee:
5 x Valley Stir Fry
Ingredients:
5 x Reef Octopus
5 x Wildfowl Breast
- Octopus fished in pools along the coast of Krasarang Wilds
- Wildfowl Breast is dropped by cranes just North of Halfhill
Tina
5 x Fire Spirit Salmon
Ingredients:
5 x Emperor Salmon
25 x Scallion
- Salmon fished in Pools inland Valley of the Four Winds
- Scallion bought with 1 Ironpaw token or farmed