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

is soft and moist, and warm frosting will slide right off.

Cake cooling on rack with frosting tools nearby
Cake cooling on rack with frosting tools nearby
13. So, was it better than using oil?

My honest answer is: better for some situations, not all. If you love a classic boxed yellow cake because it’s light, fluffy, and unmistakably nostalgic, oil still gives you that familiar texture. But if you want a cake that tastes richer, feels more homemade, and has a soft, velvety crumb, sour cream is a really