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