Can be prepared in 45 minutes or less.

Ingredients

　　1/3 cup chicken broth

　　1 tablespoon finely chopped onion

　　yolk from 1 hard-boiled large egg

　　2 teaspoons powdered mustard

　　1/2 teaspoon salt

　　1/4 teaspoon black pepper

　　1/8 teaspoon Worcestershire sauce

　　1/3 cup distilled white vinegar

　　1 cup vegetable oil

　　4 ounces Stilton cheese

　　In a small saucepan bring broth to a boil and add onion. Remove pan from heat and steep mixture 10 minutes. Pour liquid through a sieve into a blender and discard onion. Add yolk, mustard, salt, pepper, Worcestershire sauce, and vinegar and blend until smooth. With motor running, add oil in a slow stream, blending until emulsified. Crumble Stilton. With motor off add Stilton, and blend until very smooth. Pour dressing through a sieve into a bowl. Dressing keeps, covered and chilled, 1 week.