Hint: Bake a cake
The answer to this puzzle is:
1. BUTTER
2. MILK
3. CREAM
4. SALT
5. SUGAR
6. EGG
7. MIX
8. OVEN
9. FLOUR
10. ICING
11. OIL
12. VANILLA
2. MILK
3. CREAM
4. SALT
5. SUGAR
6. EGG
7. MIX
8. OVEN
9. FLOUR
10. ICING
11. OIL
12. VANILLA