If you prefer more texture and fiber in your casseroles, you can leave the vegetables unpeeled for this recipe. Simply scrub them well and pat dry before using. Preheat the oven to 375°F.
Charlie Bigham is best known as the king of ready meals, but his new cookbook Supper with Charlie Bigham (£26, Mitchell Beazley) is full of delicious ways to make side dishes the star of the show ...