一锅到底奶汁炖鸡

材料: 1 个整鸡 (1-1.5公斤） 1/2 个黄洋葱 1 个红甜椒 1 整个大蒜 2 根西芹 6 个蘑菇 6 个小土豆 1 大勺粗盐 2 小勺黑胡椒 1/4 杯中筋面粉 3 大勺油 1/2 杯白葡萄酒 1/2 杯淡奶油 1 杯鸡汤 新鲜百里香 Ingredients: 1 whole chicken (1-1.5kg) 1/2 yellow onion 1 red bell pepper 1 whole garlic 2 stalks of celery 6 mushroom 6 small potatoes 1 tbsp kosher salt 2 tsp black pepper 1/4 cup all purpose flour 3 tbsp oil 1/2 cup white wine 1/2 heavy cream 1 cup chicken broth fresh thyme