TPH Keto Nutella Mousse Cups for 2 Recipe

Name: TPH Keto Nutella Mousse Cups for 2 Recipe
Cuisine: American
Ingredients: Serving Size 8 oz; For the DIY hazelnut milk; 1 cup (150g) raw hazelnuts; 1.5 cups (355ml) warm water; 1.5 cups (355ml) hazelnut milk, split in two portions (see above recipe); 1 cup (150g) keto-friendly chocolate (see below for DIY recipe link); 2 tsp powdered gelatin; 2 Tbsp (30ml) cold water; 3 Tbsp (30g) erythritol; 1/2 cup (120ml) cold heavy whipping cream unsweetened; 1/2 cup hazelnut grounds (leftover from making the hazelnut milk, OR use finely chopped roasted hazelnuts); 2 Tbsp (28g) salted butter