Let the oven do the work with these quick and simple ingredient-focussed recipes from River Cottage’s head chef, Gelf AldersonIn River Cottage Great Roasts, all you will need are good ingredients, an oven and some simple bakeware to create easy weeknight dinners, showstopping Sunday roasts, fuss-free breakfasts, tea-time treats and indulgent puds. Often only requiring one roasting tin and minimal prep, these are recipes that let the oven do the hard work, and leave you with very little washing up:Spiced whole cauliflower with preserved lemon and yoghurtRoast mushrooms with beer and dumplingsPot roast brisket with orange and star aniseRipped potato oven chips with smoked chilli and roast garlic dipCreamy fish pieRoasted cherry and almond crumblePears with ginger and toffeeDivided into chapters like Breakfast & Brunch, One-tray Wonders, Sunday Roast, Super Sides and Puddings, the recipes all harness the power of the oven to transform everyday ingredient