Caribbean Beef Soup Recipe

Name: Caribbean Beef Soup Recipe
Ingredients: 2 teaspoons oil; 3/4 cup onions (diced); 6 sprigs thyme (divided); 2 pounds stew beef (bone-in, cut up); 1/2 cup yellow split peas; Salt to taste; Black pepper to taste; 5 to 6 cups water; 1 pound white sweet potatoes (peeled and cut into 2-inch chunks); 1 pound plantains (half-ripe; peeled and cut into 1-inch rounds); 2 carrots (diced); 6 to 8 okra (tops and tips removed); 1 recipe dumpling (spinners); 1/4 cup green onions (sliced; white and green parts)