Blend the almond milk, heavy whipping cream, egg yolks, salt, and glucomannan until fully combined.
Pour the blended mixture into a medium saucepan and heat over medium-high heat until the mixture reaches a boil. Whisk the mixture constantly.
Take the pan off the heat and whisk in the vanilla extract and allulose until well mixed.
Add chocolate chips and mix until fully melted.
Bring the mixture to room temperature.
Churn in an automatic ice cream churn according to manufacturer's instruction.
While ice cream is churning, grind macadamia nuts in a food processor or single cup blender cup.
During the last 5 minutes of churning, add macadamia nuts.
Enjoy immediately or freeze until the ice cream reaches your desired consistency.