Instead of roasting the semolina in a skillet, you can roast it in a microwave as well. This method is great to roast it in bulk and store for future use. Add the semolina to a microwave-safe bowl and micro for 4 minutes on high. Then stir it well and keep microwaving in increments of 1 minute until it is lightly browned and fragrant. Keep stirring after every minute.