1. In 2 quart saucepan melt butter until sizzling; stir in garlic. Cook over medium high heat 1 minute.
2. Stir in flour; continue cooking until bubbly, 1 minute. Reduce heat to medium. Stir in all remaining ingredients except light sour cream. Continue cooking, stirring occasionally, until heated through, 3 to 5 minutes.
3. Serve immediately over broiled salmon steaks.
Makes 4 servings