Indian-Style Grilled Chicken Breasts

Ingredients

• 4 skinless boneless chicken breast halves (about 140 g each)
• sunflower oil (for brushing)
• lemon or lime wedges (to serve)
• sprigs fresh cilantro
• 1 garlic clove (crushed)
• 1 tbsp fresh ginger (minced)
• 1 1/2 tsp tomato paste
• 1 1/2 tsp garam masala or curry powder
• 1 1/2 tsp ground coriander
• 1 1/2 tsp ground cumin
• 1/4 tsp ground turmeric
• pinch cayenne pepper (or to taste)
• 7 tbsp plain low-fat yogurt
• 1 1/2 cups plain low-fat yogurt
• 1 cucumber (about 10 ounces, cut into quarters lengthwise and seeded)
• 1 small tomato (seeded and finely chopped)
• 1/2 tsp ground coriander
• 1/2 tsp ground cumin
• pinch cayenne pepper
• pinch salt