Vegan French Onion Dip

Name: Vegan French Onion Dip
Ingredients: 3 tablespoons oil, preferably grapeseed or canola; 4 medium yellow onions, finely sliced (4 cups); Pinch salt; 3 large cloves of garlic, minced; 1 tablespoon onion powder; 1 teaspoon celery salt; 1 tablespoon vegan Worcestershire sauce; 3 sprigs fresh thyme; 1 cup raw cashews, soaked overnight; 2 tablespoons apple cider vinegar; 1 cup unsweetened Coconut yogurt (soy substitute works but be sure it's unsweetened); 1 cup vegan mayo; ground pepper; 1 teaspoon sea salt