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[...]

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[...]