Preheat oven to 325° C (170° F).
Mix preparation ingredients until creamy. Baste roast and place fat-side up in roasting pan. Put roast in oven.
After 15 minutes cooking, mix half of cognac with half of water, and pour over roast. When roast reaches desired degree of doneness, remove from oven and let stand loosely covered with foil in which steam vents have been cut. Keep pan juices in a saucepan. Deglaze pan with remaining cognac and water and pour into saucepan.
Bring to a boil and reduce.
Whisk in sour cream. Dissolve starch in a little cold water and add to saucepan, stirring until sauce reaches desired consistency.
Add chives and season. Serve sauce with roast.
Make sure you are using only gluten-free cereals, flours and starches, and read the labels carefully when you buy these products.
Metro Richelieu inc. , its affiliated companies and affiliates are not responsible for any circumstance that should come up when using the suggested recipes. Each person using this site must check that each of the ingredients is allowed in his/her diet and is not part of his/her restricted foods.
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