Choose a new cookbook worth up to £28 when you subscribe to our magazine.
Gently cook the onion and half the garlic in 2 tbsp olive oil for 10 mins until soft. Stir in the tomatoes and sugar and simmer for 15-20 mins until saucy. Stir in half the pesto, some seasoning and a few capers or olives, if you have them. Cover and keep warm.
While the sauce is simmering, heat oven to 220C/200C fan/gas 7. Toss the crumbs in a large baking tray with the remaining 2 tbsp olive oil, the rest of the garlic, the pine nuts and Parmesan, if Simple yet special storecupboard supper using. Bake for 10 mins, stirring a few times, until golden. Dot over the butter and return to the oven for 2 mins more.
Meanwhile, bring a pan of salted water to the boil and cook the pasta. Drain, reserving a little cooking water. Stir through the sauce with a splash of cooking water to loosen, if you need to, ripple through the remaining pesto and serve scattered with golden crumbs.