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