Black Bean Chili Pot Pie

Name: Black Bean Chili Pot Pie
Ingredients: 1 tsp. unsweetened cocoa powder; 1/2 tsp. salt; 2 (19-oz.) cans cooked black beans, rinsed and drained; 1 1/2 cups frozen corn; 1 1/4 cups vegetable broth; 1 cup canned crushed tomatoes; 1 Tbs. tomato paste; 1 tsp. dried oregano; 1 tsp. sugar; 3/4 cup water; 2 Tbs. vegetable oil; 1 1/2 tsp. dried coriander; 1 large onion, chopped (1 1/2 cups); 1 large green bell pepper, diced (1 3/4 cups); 2 cloves garlic, minced; 1 Tbs. cumin; 1 Tbs. chili powder; 2/3 cup unbleached all-purpose flour; 1/2 cup fine yellow cornmeal; 1 1/2 Tbs. sugar; 2 tsp. baking powder