Mix turkey, cheese, grapes and almonds in very large (4-quart) bowl.
Mix remaining ingredients except lettuce in medium bowl. Pour over turkey mixture; mix gently. Cover and refrigerate until serving. Serve on lettuce.
How to Toast Nuts: To toast nuts, spread them in an ungreased shallow pan and bake at 350 degrees for 6 - 10 minutes, stirring frequently, until light brown. Or sprinkle in an ungreased heavy skillet and cook over medium heat 5 to 7 minutes, stirring frequently until nuts begin to brown, then stirring constantly until nuts are light brown.