Shrimp Chowder with Corn and Bacon Recipe

Name: Shrimp Chowder with Corn and Bacon Recipe
Ingredients: 3-4 ears of corn; 1 tablespoon butter or neutral oil (like canola or grapeseed); 2 strips of bacon (cut into ¼-inch pieces (optional)); ½ lb. medium to large shelled and deveined shrimp (tails removed, about 6-8 pieces (optional)); 1 small onion (chopped (about ½ cup)); 1 medium potato (peeled and diced); Salt and freshly ground black pepper; 1 tomato (cored, seeded and chopped (optional)); ¾ cup whole or low-fat milk; ¼ cup chopped parsley (optional)