Plus, with the rise in the cost of meat, due to the pandemic, many are looking for some meat-free options. Once hot, add oil and onion. To help form the patties, line your 1/2 measuring cup with plastic wrap and pack with burger mixture. To help form the patties, line your 1/2 measuring cup with plastic wrap and pack with burger mixture. Burgers can then be cooked in a skillet with some oil for 2-4 minutes on each side or baked at 400 F for 15 minutes.