Jamie Oliver is back and he has a new mission – to help us all eat better now, and as we grow older

Cosy up with an old favourite

Quick and simple dinners that fill you up

Jamie Oliver

Set taste buds tingling with our pick of the tastiest healthy new food and drink.

■ Serves 4 ■ Prep 30 mins ■ Cook 50 mins 4 large field mushrooms4 tbsp olive oil1 garlic clove, chopped400g spinach leavesflour, for dusting1 tbsp thyme leaves500g block all-butter puff pastry140g sti