best green bean casserole recipe

Ingredients: 3 cups cooked rice (preferably day-old and chilled) 2 tablespoons vegetable oil 1 small onion, finely chopped 2 cloves garlic, minced 1 cup mixed vegetables (such as peas, carrots, and corn) 2 large eggs, beaten 3 tablespoons soy sauce 1 tablespoon oyster sauce (optional) 1 teaspoon sesame oil