1. Preheat broiler.
2. Combine first 5 ingredients in a small nonstick skillet. Bring mixture to a boil. Reduce heat, and simmer, uncovered, until mixture is reduced to 2 tablespoons.
3. Pour mixture through a wire-mesh strainer into the top of a double boiler, discarding shallots. Add egg substitute, and stir well. Bring water in bottom of double boiler to a boil, stirring constantly. Reduce heat to low. Add margarine, 1 tablespoon at a time, stirring constantly with a wire whisk until blended. Cook, stirring constantly, until sauce thickens slightly. Remove from heat; stir in sour cream. Set aside, and keep warm.
4. Place steaks on a broiler pan coated with cooking spray. Sprinkle steaks with lemon pepper seasoning. Broil 8 minutes on each side or until desired degree of doneness. Serve with sauce.
carbo rating: 1