Vegan Corn Chowder

Name: Vegan Corn Chowder
Ingredients: 1½ tablespoons vegetable oil; 1 small yellow onion (diced); 2 large cloves garlic (minced); 1 small red bell pepper (diced); ½ medium jalapeño (seeded and minced); 3 ribs celery (diced); 1 pound red russet, or Yukon Gold potatoes (chopped); 4 cups corn kernels (frozen corn or fresh uncooked corn sliced directly off the cob—about 4 large ears, divided); 4 cups rich vegetable broth (or equivalent amount of vegetable bouillon and water); 1½ teaspoons salt; 2 cups unsweetened (plain plant-based milk); 2 tablespoons chopped green onion (for garnish); Freshly ground black pepper (for garnish)