I added sour cream to my yellow cake mix instead of oil. 45 minutes later, this is what happened

before mixing it in.

Spoonful of full-fat sour cream over mixing bowl
Spoonful of full-fat sour cream over mixing bowl
11. The best version might be half oil, half sour cream

After trying the full swap, my immediate thought was that a half-and-half version might be the sweet spot for a lot of people. If I were testing it again for a birthday cake, I’d use 1/4 cup oil and 1/4 cup sour cream instead of the full 1/2 cup oil.

That combination would likely keep some