Trinidad Corn Soup

Name: Trinidad Corn Soup
Ingredients: 1 large onion; 3 garlic cloves; 1 celery stalk; 1 cup corn kernels; 1/4 cup diced carrot; 1/4 cup diced red pepper; 1/4 cup diced green pepper; 1/3 cup yellow split peas; Scotch bonnet pepper (optional); 4 tbsp salted butter; 1 tsp salt; 1 tsp black pepper; 2 sprigs parsley; 1 sprig thyme; 3 cups water (for base); 1 1/2 cups coconut milk; 4 cups water (for use after pureeing base); 1 tsp salt or 1 small bouillon cube; 2 green plantains; 1/4 cup diced carrots; Corn kernels; 6-8 ears of corn; 3/4 cup flour; 1/2 tsp baking powder; 1/2 tsp salt; 1/4 tsp black pepper; 1 tbsp butter; 1/4 cup whole milk