Corn Chowder with seasoning

2 tablespoons vegetable oil 1 big onion 32 ounces frozen corn kernels 2 cups chicken broth 1 (8 ounce) can evaporated milk 4 ounces lean smoked ham 1 teaspoon[...]

2 cups celery , chopped 2 cups carrots , chopped 1 large onion , chopped 2 tablespoons olive oil 1 (16 ounce) bag frozen corn 2 (15 1/2 ounce) cans[...]