1 cup lowfat buttermilk
1/4 cup mayonnaise
1/4 cup plain lowfat yogurt
1 tablespoon fresh lemon juice
1/2 teaspoon fresh thyme, coarsely chopped
4 ounces blue cheese, crumbled
coarse salt, and fresh ground pepper
Whisk buttermilk, mayonnaise, yogurt, lemon juice, and thyme in a bowl. Stir in cheese. Season with salt and pepper. Chill in an airtight container up to 3 days.