Colombian Plantain Soup

Name: Colombian Plantain Soup
Ingredients: 2 tbsp oil; ½ white onion chopped (about ½ cup or 4 oz); 2 stalks green onion chopped; 2 garlic cloves finely chopped; 1 cup chopped carrots; ½ tsp food coloring; 8 cups water (about 1.89 liters); 1½ lb beef (chuck or beef short rib cut into cubes (you can also make it with pork meat)); 1 green plantain cut into small pieces; ½ green plantain (whole); 4-5 red potatoes cut into quarters; ½ cup 4 oz or 75 g sweet peas (I use frozen); Salt and pepper to taste; Cilantro for garnishing