1/2 gallon cashew milk (such as Silk®), divided
1 cup blue agave nectar, divided, or to taste
1/2 teaspoon ground nutmeg, divided, or more to taste
Blend 4 cups cashew milk, 1/2 cup agave nectar, and 1/4 teaspoon nutmeg in a blender until smooth; pour into a pitcher. Blend remaining cashew milk, agave nectar, and nutmeg together in the blender until smooth; pour into the same pitcher and stir to combine. Adjust agave nectar and nutmeg to taste.