Prepare the ingredients: Start by placing the grated sweet potato, fresh pineapple juice, and pineapple food flavoring drops into a blender.
Blend the mixture: Puree the ingredients in the blender until smooth, ensuring that the sweet potato is fully incorporated into the juice.
Strain the mixture: Pour the blended mixture through a muslin cloth into a clean bowl. Squeeze the cloth to extract as much liquid as possible, leaving behind any solid particles.
Incorporate the Easy Whip: Using a hand blender, gradually add the Special Ingredients Easy Whip to the strained liquid. Blend until the Easy Whip is fully combined, creating a smooth and homogenous mixture.
Prepare the Espuma Gun: Carefully pour the liquid mixture into an Espuma gun using a funnel. Charge the gun with 2 N2O chargers, which will aerate the mixture.
Chill: Place the Espuma gun in the fridge and let it rest for 1 hour. This allows the flavors to meld and the mixture to stabilize.
Serve: Before serving, shake the Espuma gun vigorously to ensure the mixture is properly aerated. Dispense the foam into your desired containers, such as glasses or small bowls, and serve immediately.