Grilled Mac and Cheese Toastie Recipe | Food Network UK

Ingredients

• 20g butter, salted
• 1 brown onion, chopped
• 1 clove garlic, chopped
• 20g plain flour
• 250ml milk
• 1/2 tsp English mustard
• 150g macaroni pasta
• 75g cheddar cheese, grated
• 75g Parmesan, grated
• 5 tbsp chopped sun-dried tomato
• Small handful basil, roughly chopped
• 4 large slices white bread
• 2 tbsp mayonnaise
• 4 slices Emmental or Gruyère cheese
• 2 tbsp butter, salted
• Rocket and caramelised onion chutney, to serve