French Onion Soup

Ingredients (servings: 6, cook time: 4hours) 3 tbsp olive oil 4 large onions, halved and cut into ¼-inch thick slices  Table salt 1.5 cups (500 ml) water, plus extra for deglazing ½ cup (120 ml) dry red wine 4 cups (940 ml) korean bibigo beef bone broth 6 tbsp dried oregano 1 bay leaf  Ground black pepper 1.5 cups shredded gruyere cheese Directions: Braise/Caramelize Onions: Adjust oven rack to lower-middle position and…