Here's all the Challenge Info I have up to now:
Restaurant Story Challenge - March 2013
Step 1 - The Fallen Champion
Serve 2 Garden Salad - 30min - Stove
Serve 2 Spaghetti - 24hrs - Stove
Serve 2 Boiled Lobster - 16hrs - Stove
Step 2 - A Friend In Need
Buy A Cherry Blossom For Lee - 10,000 coins - click PAY
Serve 10 Corned Beef Hash - 14hrs -Stove
Serve 10 Chocolate Milk - 3 Hrs - Drink Machine
Step 3 - A Piece of Home
Buy 2 Penjing Trees - Decoration-
Buy 2 Soothing Waterfalls - Decoration - 8,000 coins each
Step 4 - Sense of Serenity
Buy 4 Meditation Tables - 14,000 coins each
Buy 4 Meditation Chairs - 7,000 coins each
Buy 8 Cherry Blossom Wallpaper - 1,000 coins each
Step 5 - Confidence Boosters
Have 2 Action Ice Cream Makers - 8,000 coins each
Buy 2 Action Chef Lee Champion Portraits - 9,000 coins each
Step 6 - Prepare To Cook
Have 2 Actions Chef Stoves - Cost?
Borrow 14 Eggs From Neighbors - ASK
Action Ice Cream Maker - 7 Rakes & 7 Jade
Mochi Ice Cream 4hrs
Sesame Ice Cream 1hr
Green Tea Sundae 2hrs
You will get the jade dragon and action chef lee as your reward.
Action Chef Lee is awarded after the "The Rise of Action Chef Lee" goal
You get 1 free. Extra ones available for 7,500 coins