Here is the full list of all 21 Delicious - there are Emily's Home Sweet Home achievements.
Walked 100 miles.
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.
Finished the Ski-hut.
Finished the Farmers Market.
Finished Happy Funtime Land.
Finished Talon Lake.
Served 500 drinks.
Entertained a table 100 times.
Served 250 products quickly.
Finished the Garden.
Had an order on your tray before it was ordered.