The ultimate PGI Welsh Beef lean burger
Mix the ingredients for the sweet potato (apart from the oil) in a large mixing bowl and divide into 8 patties. Heat the oil in a non-stick frying pan, and fry the patties for 3 minutes each side (or until browned).
Mix the Welsh Beef burger ingredients (apart from the oil) in a mixing bowl, divide into 4 and shape into four large thin burgers. Add the oil to the non-stick frying pan and cook the Welsh Beef burgers for 4 -5 minutes each side, until cooked through.
Layer the spinach, avocado, Welsh Beef burger and caramelised onion on a sweet potato pattie, and top with a second sweet potato patty.
Meanwhile, mix the kale with all of the ingredients in a bowl, spread evenly on a baking tray and bake in a pre-heated oven 200C/Gas mark 5 for around 3 minutes (until crisp). Serve with the Welsh Beef burger.