In a heavy saucepan, melt the butter and oil, and add the onion, rosemary, and a pinch of salt. Cook gently over medium heat for about 5 minutes until the onion is translucent. Add the chicken stock ...
When sweetened chestnut puree was hard to find, Frances Sellers roasted and shelled the chestnuts, then pureed them with maple syrup to taste. Instead of the topping recipe here, you also could simply ...