Corn Chowder with stock

3 ears fresh corn or 3 ears bicolor corn 4 ounces bacon , cut into 1/3 inch dice 2 tablespoons unsalted butter 1 medium onion , cut into 1/2 inch dice 1/2[...]

3 slices bacon diced 1/2 cup onion minced 1/2 cup celery minced 2 cups water 1 each chicken bouillon cubes * 2 cups potatoes minced 2 cups milk 2 cups mocha[...]

to taste non-fat cooking spray (vegetable oil) 1 cup onion , chopped 6 cups fresh corn kernels , with any milk (12 ears - collected when removed from the cob)[...]