Rhubarb baked in the oven keeps its shape better, is less watery than cooked on the hob and also has more aroma. Do not use a metal tin or aluminium foil over, the acidity of the rhubarb will corrode it.
Serve with Greek yoghurt or ice cream. Or top with your favourite crumble topping after baking, using the same baking dish, and bake till the topping is golden.