Avocado and Shrimp Cups

Ingredients

• 600 g new potatoes (washed and diced)
• 2 tbsp canola oil
• 1 small red onion (thinly sliced)
• 1 garlic clove (crushed)
• 1 large mild red chili (seeded and finely chopped)
• 1 tsp coriander seeds (roughly crushed)
• 1 tsp cumin seeds (roughly crushed)
• 1 large avocado
• 400 g peeled cooked shrimp
• 2 limes (juiced)
• pepper (to taste)
• 8 tbsp plain low-fat acidophilus yogurt
• 4 tbsp chopped fresh coriander
• 8 round lettuce leaves