Showing posts from Swiss Roll

How to Keep Rainbow Colors from Separating in a Swiss Roll Cake?

The Rainbow Swiss Roll Frustration

You’ve seen it on Instagram: a perfect spiral of red, orange, yellow, green, blue, and purple in a fluffy Swiss roll. You try it at home, carefully mixing your gel colors into the batter, only to watch them bleed together into a muddy mess. Or worse, the cake cracks when you roll it. Sound familiar? You’re not alone. A baker on Reddit shared the exact same frustration: rainbow colors separating and bleeding despite using gel food coloring. I’ve been there too, and after testing dozens of batches, I can tell you the fix isn’t about buying more expensive colors " it’s about understanding how color and batter interact.