Which ingredient makes cake soft?

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Tags

1. #called
2. #alternating
3. #butter
4. #texture
5. #mixture
6. #their
7. #crumb
8. #cakes
9. #adding
10. #first
11. #together
12. #layer
13. #creaming
14. #while
15. #liquid
16. #ingredients
17. #buttermilk
18. #pound
19. #moistness
20. #slowly
21. #sugar
22. #incorporating