Savory French Onion Beef Short Rib Soup with Rich Broth and Caramelized Onions | Flirt Recipes

Ingredients

• 2 lbs bone-in beef short ribs
• 2 tablespoons olive oil
• 1 teaspoon salt (or to taste)
• 1/2 teaspoon black pepper
• 3 large yellow onions (thinly sliced)
• 3 tablespoons unsalted butter
• 1 teaspoon sugar
• 4 cloves garlic (minced)
• 1/2 cup dry red wine (optional)
• 6 cups beef broth (preferably homemade or low sodium)
• 2 sprigs fresh thyme (or 1/2 teaspoon dried thyme)
• 1 bay leaf
• 1 tablespoon Worcestershire sauce
• 1 teaspoon balsamic vinegar
• 1 baguette (sliced into rounds)
• 2 cups Gruyère cheese (shredded)
• 1/2 cup Parmesan cheese (grated)