Welsh Beef burger with hidden veggies

Ingredients

• 450g lean PGI Welsh Beef mince (makes 3-4 large burgers or 6-8 small burgers)
• 1 small onion, finely chopped
• 1 carrot, grated
• 1 small red pepper, finely chopped
• ½ head broccoli (6 florets), grated
• 1 small egg, beaten
• 1 tbsp tomato ketchup
• ½ tsp dried mixed herbs
• ½ tsp ground black pepper
• Handful of fresh breadcrumbs (if required)
• Slices of cheddar cheese (optional)
• Salad and bread rolls (optional)