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