Preheat oven 180 degrees C fan oven

Mix the butternut, whole unpeeled garlic cloves, olive oil, 1 tablespoon sea salt flakes, basil and pepper to taste. Put in the oven for 20 minutes.

After 20 mins, turn the butternut, put back in the oven then put the pasta on to boil.

Put the broccoli and cauliflower in with the pasta when there is 8 mins left to cook.

Once the pasta is cooked, drain, melt in the butter and mix in all other ingredients, squeezing the roasted garlic out of its skin into the mixture.