Here is the full list of all 78 Freshly Frosted achievements.
Complete every puzzle
Complete Box 12
Solve Box 12 Puzzle 9
Solve Box 12 Puzzle 5
Solve Box 12 Puzzle 1
Complete Box 11
Solve Box 11 Puzzle 10
Solve Box 11 Puzzle 8
Create a factory that takes more than 250 steps to complete
Solve Box 11 Puzzle 2
Complete Box 10
Jam a factory after you've solved the puzzle
Solve Box 10 Puzzle 8
Solve Box 10 Puzzle 5
Solve Box 10 Puzzle 1
Complete Box 9
Solve Box 9 Puzzle 9
Solve Box 9 Puzzle 6
Dance along to the music
Complete a puzzle with a conveyor that's all on its own
Solve a puzzle with impatient mode turned on
Finish viewing the credits
See the Production Kitties section of the credits
See the Special Thanks section of the credits
See the Playtesters section of the credits
See the Localization section of the credits
See the QAG section of the credits
Solve Box 9 Puzzle 1
Complete Box 8
Solve Box 8 Puzzle 10
Solve Box 8 Puzzle 8
Solve Box 8 Puzzle 5
Complete Box 7
Solve Box 7 Puzzle 10
Solve Box 7 Puzzle 8
Solve Box 7 Puzzle 4
Create a factory that will never jam but never deliver a donut
Complete Box 6
Solve Box 6 Puzzle 9
Solve Box 6 Puzzle 7
Solve Box 6 Puzzle 4
Complete Box 5
Solve Box 5 Puzzle 9
Solve Box 5 Puzzle 6
Solve Box 5 Puzzle 3
Deliver 5,000 Donuts
Complete Box 4
Solve Box 4 Puzzle 9
Skip a puzzle
Deliver 4,000 Donuts
Solve Box 4 Puzzle 4
Solve Box 4 Puzzle 1
Deliver 3,000 Donuts
Complete Box 3
Solve Box 3 Puzzle 10
Solve Box 3 Puzzle 7
Make three delivery counters receive their first donut at the same time
Think about a puzzle for a while
Solve Box 3 Puzzle 1
Clear the board several times in a short amount of time
See Ty, Amanda, Ally, and Josie in the credits
Deliver 2,000 Donuts
Complete Box 2
View a hint
Solve Box 2 Puzzle 10
Solve Box 2 Puzzle 8
Solve a puzzle with symmetry to deliver a donut with all the toppings
Deliver 1,000 Donuts
Watch a completed puzzle for a while
Solve a challenging level without deleting, undoing, or replacing conveyors
Solve Box 2 Puzzle 5
Complete Box 1
Fast-forward
Start a factory with the music volume all the way up!
Solve Box 1 Puzzle 8
Solve Box 1 Puzzle 6
Solve Box 1 Puzzle 3
Solve Box 1 Puzzle 1