Here is the full list of all 25 Rags to Dishes achievements.
Completed 15 daily objectives
Completed a Boss round without mistakes
You cancelled an order
Complete all 3 stages of the campaign
Successfully completed the Royal stage
Bought all Royals upgrades
Successfully completed all tutorials
Earn 1500 coins in a Royals day
Served 20 Knights
Scared the Bird 30 times
Successfully completed the Noble stage
Successfully served 1000 customers
Bought all Nobles upgrades
Earn 850 coins in a Nobles day
You served a burnt dish
Successfully completed the Peasant stage
Earn 650 coins in a Peasants day
Bought all Peasants upgrades
Bought 5 upgrades
Fulfil 5 consecutive orders Within 5 seconds of their appearance
Completed a day with all happy customers
You let a customer leave
Completed a day with no angry customers
Served 10 consecutive happy customers
You delivered an incorrect order