Masala burgers with tangy tamarind sauce and red onion-mint relish Recipe | Food Network UK

Ingredients

• 400g frozen tamarind pulp, thawed
• 150g light brown sugar
• 1 tsp ground cumin
• 1/2 tsp ground cayenne
• 2 tsps salt
• 60g fresh ginger, chopped
• 60g garlic cloves, chopped
• 60ml extra-virgin olive oil
• 2 tbsps garam masala
• 2 tsps ground cayenne
• 1kg ground sirloin
• 60ml extra-virgin olive oil, for brushing on the griddle and buns
• 6 whole-wheat hamburger buns, split
• 1/2 head iceberg lettuce, sliced
• Tamarind sauce, recipe follows
• Red onion-mint relish, recipe follows
• 300g thinly sliced red onion
• 2 medium-sized Roma tomatoes, thinly sliced lengthwise
• 75g chopped fresh mint leaves
• 1/2 tsp salt
• 30ml fresh lemon juice