INSTANT POT CHICKEN CORN CHOWDER

Name: INSTANT POT CHICKEN CORN CHOWDER
Ingredients: * 6 slices (6-ounces) thick-cut bacon, chopped; * 1 small yellow onion, diced; * 3 cloves garlic, minced; * 1 pound boneless skinless chicken breast, diced; * 17 ounces bag (about 3 ⅓ cups) frozen corn kernels; * 4 cups chicken broth; * 1 pound (about 5) unpeeled or peeled Yukon Gold potatoes, cut into ¼-½” chunks; * 1/2 teaspoon kosher salt; * 1/2 teaspoon coarsely ground black pepper; * 2 tablespoons cornstarch (or 4 tablespoons all-purpose flour); * 1 1/2 cups milk; * 3 green onions, sliced (optional); * Heavy cream or half-and-half (optional)