Malted vanilla
Whisk 20 g malted milk powder into the warm dairy base before chilling.

An eggless vanilla soft serve that gives the blue a pale base to work with.
Frozen desserts
This is an eggless sweet-cream base, so there is no yellow custard fighting the blue. It is best straight from the machine, while the texture is still soft.
Dark vanilla extract can dull the colour slightly. It won't ruin the batch, but a clear extract keeps the blue brighter.
The churned soft serve will look paler than the liquid base. Aim a shade darker before it goes into the machine.
If the first gram isn't enough, add the remaining half gram. Beyond that, extra powder is more likely to affect the flavour than rescue the colour.
Whisk 20 g malted milk powder into the warm dairy base before chilling.
Keep half the base white and alternate both colours as you dispense or scoop.
Serve a small blue swirl with espresso poured around, rather than over, the ice cream.

Blue spirulina powder
Choose a pack