Ingredients:
- 1 pound mushrooms
- 1 onion (6 oz.), peeled and chopped
- 3 tablespoons butter or margarine
- 2 tablespoons brandy
- 2 tablespoons all-purpose flour
- 1 tablespoon Dijon mustard
- 1 tablespoon catsup or tomato paste
- 2 teaspoons prepared horseradish
- 1 cup fat-skimmed beef broth
- About 1 cup sour cream
- Salt and pepper
- 1 pound fat-trimmed tender beef (such as tenderloin or New York strip)
- Pasta ring, heated
- 2 tablespoons chopped fresh dill or 1 teaspoon dried dill weed
