French Onion Soup With Garlic Toast
["6 to 8 large onions", "4 Tbsp. olive oil", "salt and pepper", "2 bouillon cubes (optional)"]
["Cut onions in half and cut into thin slices.", "Brown in Dutch oven with olive oil.", "Fill pot with onions and water.", "Simmer for 3 hours.", "Salt and pepper to taste.", "Add bouillon cubes, if desired."]
["onions", "olive oil", "salt", "bouillon cubes"]