Pulled tandoori-spiced chicken recipe

Ingredients

• 2 tbsp natural yogurt
• 2 garlic cloves, finely chopped
• 1 tbsp tandoori masala
• 0.5 tsp salt
• 2 boneless, skinless chicken breasts, each cut into 3 or 4 strips
• 1 tbsp sunflower oil
• 2 tbsp salted butter, plus extra to serve