Here is the full list of all 21 Delicious - there are Emily's Home Sweet Home achievements.
Unlocked and Collected Everything.
Unlocked all products.
Walked 100 miles.
Bought all items in the house.
Finished all the Challenges and Bonus Levels.
You have Chosen every product in every environment at least once.
Bought all items in all restaurants.
Unlocked every photo-moment.
Finished Emily's Place.
Achieved 3 stars on each day.
Found all 60 mice.
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.
Watched the entire credits.
Had an order on your tray before it was ordered.