Lamb tikka with spicy eggplant

Lamb tikka

• 2 garlic cloves
• 3 cm piece fresh ginger, peeled
• 200 g natural yoghurt
• 1 tsp paprika
• 2 tsp garam masala
• ½ tsp ground turmeric
• 1 tsp salt
• 600 g lamb rump steak, trimmed

Spicy eggplant

• 2 garlic cloves
• 1 fresh bird's eye chilli, trimmed
• 150 g brown onion, cut into eighths, segments separated
• 50 g olive oil
• 1 tsp mustard seeds
• 1 tsp ground coriander
• 300 - 350 g eggplant, trimmed, quartered and cut into pieces (3 cm)
• 400 g canned chopped tomatoes
• 1 tsp salt
• ½ Lebanese cucumber, peeled, deseeded and cut into slices
• natural yoghurt, to serve
• fresh mint leaves, for garnishing
• 4 roti, warmed, to serve (optional)