Vegan Clam Chowder New England Style

Name: Vegan Clam Chowder New England Style
Ingredients: 1/3 cup pumpkin seeds; 1/3 cup almonds; 1/3 cup cashews; 3 1/2 cups water; 1 1/2 cups potato (1/2 inch cubes); 1 tsp. cooking oil; 1 1/2 cups king oyster mushrooms (diced); 2 TB vegan fish sauce; 3 TB plant-based butter; 1/2 cup yellow onion (chopped); 1/3 cup celery (chopped with leaves); 2-3 small bay leaves; 3 TB flour (gluten-free if desired); 1 tsp sea salt; 1/8 tsp hickory smoked salt; 1/4 tsp Old Bay seasoning; 1/2 tsp garlic powder; 1/16 tsp white pepper