Denissimo French Onion Soup – Rocky Mountain Olive Oil

Ingredients

• 4 large yellow onions, thinly sliced
• 2 tbsp unsalted butter
• 1 tbsp Rocky Mountain Olive Oil Extra Virgin Olive Oil
• 4 cloves garlic, minced
• 1 tsp sugar
• 1 tsp fresh thyme leaves
• 1 bay leaf
• 1/4 cup Denissimo Specialty Vinegar
• 6 cups beef broth
• 1 cup dry white wine
• salt and freshly ground black pepper, to taste
• 1 baguette, sliced and toasted
• 2 cups Gruyère cheese, shredded
• 1 cup Parmesan cheese, grated