Vegan French Onion Soup

Name: French Onion Soup
Ingredients: French Bread; Vegan Cheese; 3 lbs. Yellow or Brown Onions; 2 Tbsp Vegan Butter; 1 Tbsp Cooking Oil ((Olive, Canola, Vegetable etc)); 1/2 cup Dry White Wine ((or 1 Tbsp White Wine Vinegar)); 2 Tbsp Cognac or Brandy ((optional)); 3 Tbsp Vegan Worcestershire; 1 tsp Miso Paste; 1 Tbsp Nutritional Yeast; 1/2 tsp Dried Thyme; 3 Tbsp Flour; 6 cups Vegan Beef Broth ((or Veggie Broth)); Salt to taste