Instant Pot Corn Chowder

Name: Instant Pot Corn Chowder
Ingredients: 1 cup Frozen Sweet Corn; 1 Large Potato; 1 red onion (or regular white onion); 1/4 inch ginger; 4 Garlic pods; 2 tablespoon Nutritional Yeast (substitute with All Purpose Flour & Corn Starch); 1 cup plain Milk (Add extra milk if needed.); 1 teaspoon salt; 1 teaspoon Black Pepper Powder; 1 teaspoon Dried Parsely (or any herb seasoning); 1 teaspoon Finely Chopped Spring Onion (for garnishing); 1/2 tablespoon Extra Virgin Olive Oil (substitute with butter or coconut oil)