COMBINE all ingredients except bread and parsley. Refrigerate 1 hour.
HEAT broiler. Cut baguette into 48 slices. Place, in batches if necessary, in single layer in shallow pan or on rack of broiler pan. Broil, 4 inches from heat, 1 to 1-1/2 min. on each side or until lightly toasted on both sides.
ADD parsley to cheese mixture; mix lightly. Spoon onto toast slices just before serving, adding about 1 Tbsp. to each.