Avocado Kale Caesar Salad

1 avocado, divided

1/2 cup water

1/4 cup tahini

2 small cloves garlic

2 tablespoons lemon juice

1 teaspoon Dijon mustard

1/2 teaspoon salt

1 bunch kale, stems removed, chopped (5-6 cups)

Parmesan or Cashew’s ground