Here is the full list of all 21 Toaster Jam achievements.
Toast 2500
Toast 1000
Do a 50 toast combo
Do a 25 toast combo
Toast 500
Drink 50 coffees
Do a 10 toast combo
Complete 30 levels
Toast 250
Complete 25 levels
Drink 25 coffees
Get 50 jams
Get 25 jams
Complete 20 levels
Toast 100
Get 10 jams
Complete 15 levels
Drink 10 coffees
Complete 10 levels
Toast 50
Complete 5 levels