Onion Soup - Allergy Associates of La Crosse

Ingredients

• 2 Tbsp. unsalted butter
• 4 medium onions, sliced into thin rounds
• Pinch of salt
• 2 Tbsp. all-purpose flour or gluten-free flour substitute
• ½ cup dry white wine
• 32 oz. beef broth
• 1/8 tsp. black pepper
• 1/4 tsp. dried thyme