Chicken and mozzarella enchiladas

Ingredients

• 1 small onion
• 2 large chicken breasts / fillets
• pepper and salt to taste
• 6 tortillas
• 140 grams of sweetcorn
• 3 green chillies (jarred)
• 2 mozzarella balls
• a handful of grated cheese
• dash of neutral oil
• 3 teaspoons ground cumin
• 1 teaspoon chilli powder
• 2 teaspoons garlic powder
• 70 grams tomato purée
• 2 tablespoons flour
• salt to taste
• 400 ml chicken stock