African Chicken Stew

1/8 cup oil 3 1/2 pounds chicken (cut in pieces) 6 Roma tomatoes (or 2 cups tomato puree) 1 onion (medium, sliced) 1 teaspoon minced garlic 1 1/2 teaspoons dried thyme 1 tablespoon paprika 1/4 teaspoon curry powder 1 bay leaf 1 tablespoon Maggi (or bouillon granules) 2 green onion (chopped whites and green parts) 3 tablespoons parsley 2 cups sliced carrots salt pepper