Roast chicken traybake with squash, sage and lemon crème fraîche

Fruit and vegetables

1 small butternut squash, cut into 2cm/¾in slices, seeds removed

1 whole garlic bulb, halved horizontally

1½ lemons, 1 cut into quarters and ½ zested

15g/½oz dried mushrooms (such as shiitake or mixed)

250g/9oz mixed mushrooms, thickly sliced or whole if small (such as shiitake and portobello)

10 fresh sage leaves