Wash apples, partially halve them. Peel and halve the onion. Wash the meat, dab dry. Tie turkey thighs with kitchen twine into shape
Rub the meat with salt and pepper and place in a large roasting pan or the fat pan of the oven. Arrange apples, onions and bay leaf around it. Pour on stock and 250 ml malt beer. Braise in the preheated oven (electric cooker: 150 °C/ circulating air: 125 °C/ gas: see manufacturer) for approx. 2 hours
Briefly heat 175 g jelly. Take out the roaster and spread the jelly over the meat. Cook in the preheated oven (electric cooker: 200 °C/ convection oven: 175 °C/ gas: see manufacturer) for another 10-15 minutes. Take out meat, apples and onions and keep warm
Pour the roast stock through a sieve into a pot. Add the rest of the beer and jelly. Stir starch with 2 tablespoons of water until smooth. Stir the starch into the sauce. Simmer for about 1 minute while stirring, season to taste. Arrange meat with onions and apples, add sauce. Bavarian cabbage tastes good with it