Beef and lentil burgers

250g lean beef mince
400g can lentils, drained and rinsed
2 Tbsp tomato sauce
1 egg
1 cup parsley, chopped
Ā½ medium onion, finely chopped
1 cup dried breadcrumbs
1 carrot, grated
Pinch ground pepper

Combine all ingredients. Knead mixture until well combined and sticking together. Divide mixture into six portions, then roll into a ball and flatten. Heat the grill in your oven. Place the burger patties on a baking tray and grill until well browned on each side Serve with salad vegetables and a wholegrain burger bun.