Here is the full list of all 20 My Bakery Empire achievements.
Prepare a smoothie
Make a princess cake
Make cookies
Prepare cupcakes
Prepare donuts
Make a wedding cake
Buy a shirt
Buy a skirt or pants
Buy an apron
Buy a chef's hat
Buy shoes
Buy jewelry
Win a birthday cake contest
Win a cocktail contest
Win a princess cake contest
Win a cookie contest
Win a cupcakes contest
Win a donuts contest
Win a wedding cake contest
Unlock all cake shops