Hoisin chicken lettuce cups

Ingredients

• 1 tbsp olive oil
• 4 shallots
• 1 clove garlic, finely chopped
• 2cm piece ginger, grated
• 2 medium carrots, peeled and diced
• 2 medium zucchinis, diced
• 1/2 cup frozen peas
• 2 cups cooked barbecue chicken, diced
• 1 tbsp hoisin sauce
• 1 tbsp oyster sauce
• 1 tbsp soy sauce
• 1 tsp sesame oil
• 1 iceberg lettuce
• coriander, to serve