1, sliced bun into 2 layers and spread mayonnaise. place burger in each layer and garnish with cabbage and tomato.
2. To make burger: combine meat, onion, cilantro, egg and oats. season with salt and pepper.
3. make into round patties and freeze it till in use. lightly grease pan and cook burger for 5 mins on each side. you can grill it too.