Here is the full list of all 21 Delicious - there are Emily's Home Sweet Home achievements.
Unlocked and Collected Everything.
Walked 100 miles.
Bought all items in all restaurants.
Bought all items in the house.
Unlocked every photo-moment.
Finished Emily's Place.
Achieved 3 stars on each day.
Finished all the Challenges and Bonus Levels.
Found all 60 mice.
You have Chosen every product in every environment at least once.
Unlocked all products.
Entertained a table 100 times.
Finished the Ski-hut.
Finished the Farmers Market.
Finished Happy Funtime Land.
Served 500 drinks.
Finished Talon Lake.
Served 250 products quickly.
Watched the entire credits.
Finished the Garden.
Had an order on your tray before it was ordered.