Creamy Parmesan Corn Chowder

Name: Creamy Parmesan Corn Chowder
Ingredients: 3 slices bacon (cut into small pieces); 1 cup onion (chopped ); 1/4 cup all-purpose flour; 32 oz low-sodium chicken stock (1 carton - or vegetable stock); 1 large russet potatoes (or two small - peeled and diced); 15 oz sweet corn (1 can); 15 oz cream style corn (1 can); 1 cup milk; 1/2 cup red bell pepper (chopped and roasted ); 1 tsp dried basil; 1/2 cup Parmesan cheese (shredded ); salt and pepper to taste; Toppings: sliced scallions, shredded Parmesan cheese, crumbled bacon