Here is the full list of all 41 Let's Cook Together achievements.
Win a battle game by just two points or less
Play a game in the Battle Mode
Serve 300 burgers
Serve 500 burgers
Burn 10 dishes
Unlock all chefs
Serve 100 spicy chicken dishes
Serve 200 spicy chicken dishes
Get a double combo on an order
Get 50 double combos on an order
Serve 200 drinks
Serve 500 drinks
Drop 50 ingredients on the floor
Finish at least 50 orders in one Endless game in Season 1
Fail 20 orders
Finish an order in the last second
Fulfill 1000 orders
Fulfill 2000 orders
Serve 75 pancakes
Serve 200 pancakes
Complete the very first episode
Complete the first episode of Season 2
Complete the first episode of Season 3
Complete the last episode of Season 1
Complete the last episode of Season 2
Complete the last episode of Season 3
Get all stars in all seasons
Get all 168 stars in Season 1
Get all 168 stars in Season 2
Get all 168 stars in Season 3
Fulfill a 3-dish order within 10 seconds from its placement
Switcheroo - throw ingredients to each other at the same time
Get a tripple combo on an order
Get 10 tripple combos on an order
Buy all the upgrades in all seasons
Buy all upgrades in Season 1
Buy all upgrades in Season 2
Buy all upgrades in Season 3
Throw out 100 coins worth of food
Finish at least 50 orders in one Endless game in Season 2
Finish at least 40 orders in one Endless game in Season 3