Blend the heavy cream, almond milk, powdered allulose, black sesame paste, cream cheese, vanilla extract, xanthan gum, and sea salt until smooth.
Refrigerate the black sesame mixture for at least 3 hours or until very cold.
Melt the white chocolate chips with the coconut oil in short intervals, stirring frequently until smooth. Let the mixture cool until barely warm but still fluid.
Churn the black sesame mixture in an ice cream maker according to the manufacturer's directions until it resembles soft serve.
Slowly drizzle the melted white chocolate into the running ice cream maker during the final minute of churning. The cold ice cream will turn it into delicate crisp flakes.
Transfer the ice cream to a freezer-safe container and freeze for 3 to 4 hours before serving.