Cajun Corn Chowder

Name: Cajun Corn Chowder
Ingredients: 2 teaspoons vegetable oil, divided (1/1); 1/2 pound andouille sausage, diced small; 1 medium onion, diced; 1 poblano pepper, seeded and diced; 1/2 teaspoon cayenne pepper ( or less if you prefer ); 2 to 3 cups fresh or frozen corn kernels; 3 medium red-skinned potatoes, peeled and diced; 6 cups rich chicken broth; 4 tablespoons yellow cornmeal; 1/4 cup half and half or light cream; Salt and pepper to taste; Thinly sliced green onion for garnish