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