Pour the milk, granulated sugar, chocolate sauce, chocolate chips, xanthan gum, ice cubes, and vanilla extract into a high-speed blender. Blend until smooth and creamy.
1 cup milk, 1/4 cup mini chocolate chips, 1/3 cup chocolate syrup, 2 & 1/2 tablespoons granulated sugar, 1/4 teaspoon xanthan gum, 2 cups ice cubes, 1/2 teaspoon vanilla extract