keto french onion soup

For the soup:

• 3 tablespoons olive oil
• 2 tablespoons butter
• 4 cups thinly sliced yellow onions
• 1 teaspoon kosher salt
• 1/2 teaspoon ground black pepper
• 1 teaspoon minced garlic
• 1/3 cup dry white wine
• 1 tablespoon fresh thyme leaves (or 1 teaspoon dried)
• 3 bay leaves
• 2 cups water
• 8 cups beef stock (or vegetable stock for vegetarian)
• 1 tablespoon Worcestershire sauce (or coconut aminos for gluten free & vegetarian)
• 1 tablespoon granulated erythritol
• 8 slices Swiss or Gruyere cheese (to serve)

For the toppers:

• 1 batch Easy Keto Dough
• 2 tablespoons fresh thyme leaves or 1 bunch of thyme springs