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

2 to 3 tablespoons milk or water if I wanted a more classic layer-cake texture.

For a stacked cake, especially a two-layer 8-inch or 9-inch cake, you usually want enough lift and softness that the layers still feel light under frosting. The version I made was delicious, but it leaned toward a denser crumb. Great for slicing neatly, not quite as ideal if you’re chasing that super-fluffy celebration-cake look.

  1. Full-fat sour cream is the best choice

I used full-fat sour cream because that’s what I had in the fridge, and