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