Beef Burgers

• 2 tbsp olive oil
• 1 None onion, finely chopped
• 1 lb ground beef
• 1/4 cup fresh breadcrumbs
• 1 tbsp chopped fresh parsley leaves
• 1 None large egg, lightly beaten
• 2 tbsp tomato sauce, plus extra to serve
• 4 slices Cheddar or American cheese
• 4 None hamburger buns, toasted
• None None romaine leaves, sliced tomatoes, sliced beets and ketchup, to serve

1. Heat 1 tbsp oil in a nonstick frying pan over high heat. Saute onion for 3 mins, or until softened. Let cool then transfer to a large bowl along with ground beef, breadcrumbs, parsley, egg and tomato sauce. Season to taste then shape into 4 burgers.
2. Heat remaining oil in a frying pan over medium-high heat. Cook burgers for 3-4 mins per side, or until cooked through. Add a slice of cheese and cook until melted.
3. Transfer to burger buns with remaining ingredients. Serve with extra tomato sauce.

olive oil, onion, ground beef, fresh breadcrumbs, parsley, egg, tomato sauce, cheddar, buns, romaine leaves

Taken from recipes-plus.com/api/v2.0/recipes/34406 (may not work)