a) Preheat your oven to 200°C/180°C fan/gas mark 6. Bring a large saucepan of water to the boil with 0.5 tsp salt for the pasta.

b) Halve the baby plum tomatoes.

c) Peel and grate the garlic (or use a garlic press).

a) Pop the tomatoes onto a piece of foil.

b) Drizzle over some olive oil. Season with salt, pepper and the sugar (see pantry for amount).

c) Fold the foil, sealing on all sides to create a parcel, then place onto a small baking tray.

d) When the oven is hot, roast the tomato parcel on the top shelf until softened, 12-15 mins.

a) Meanwhile, add the rigatoni to the boiling water and bring back to the boil.

b) Cook until tender, 12 mins.

a) While the pasta cooks, heat a drizzle of oil in a large frying pan on medium heat. Drain the prawns.

b) Once hot, add the prawns and stir-fry for 3-4 mins. IMPORTANT: Wash hands and utensils after handling raw prawns. Cook so they're opaque in the middle.

c) Next, add the garlic and stir-fry for 1 min.

d) Stir in the water for the sauce (see pantry for amount) and veg stock paste. Bring to the boil, then simmer until slightly reduced, 1-2 mins.

e) Once reduced, stir in the creme fraiche, bring back to the boil, then remove from the heat. Taste and add salt and pepper if needed.

a) Once cooked, drain the pasta in a colander, then add to the pan of creamy sauce along with the peas and heat through for 1-2 mins.

b) Stir through the cheese, then taste and season with salt and pepper if needed. Add a splash of water if you feel it needs it.

a) When everything's piping hot, spoon the creamy prawn pasta into your bowls and drizzle over the fresh pesto.

b) Carefully remove your roasted tomatoes from the foil and serve them on top.

c) Spoon over the tomato juices from the parce. Top with the rocket and drizzle over a little oil to finish.

Enjoy!