Step 1

Cook pasta in a medium-sized pan following packet directions. Add broccoli to pan in the last 3-4 minutes of cooking. Drain. Preheat grill to high. Spray a 6-cup-capacity ovenproof baking dish with oil.

Step 2

Melt spread in a large saucepan over a medium heat. Add flour, garlic and chilli flakes. Stir until mixture thickens and bubbles.

Step 3

Remove from heat and gradually whisk in milk. Return to heat and cook, stirring, for 5 minutes or until thickened. Remove from heat.

Step 4

Add tuna and tomatoes to pan then stir in pasta and broccoli. Spoon mixture into prepared baking dish and sprinkle with mozzarella. Grill for 4-5 minutes  or until cheese has browned and melted. Top with basil (if using) and serve with rocket and dressing.