Learn the science of frying, plus 20 recipe ideas for frying at home. Sep 2, 2022 • 8 min read. Verkkofrying is a cooking method that involves immersing food in hot oil. This causes the outside of the food to become crispy and browned, while the inside remains cooked through. Frying can be used to cook a variety of foods, including meat, fish, vegetables, and desserts. Verkkobut how do you keep those fried foods crispy long after they've left the fryer? The secret lies in a few simple tips and tricks that will make all the difference. From using the right oil to prepping your ingredients correctly, there are many factors that influence how crispy your fried food stays.