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