HEAT oven to 350°F.
BEAT egg in large bowl with mixer until foamy. Add remaining ingredients; mix well.
ROLL dough into 1-inch balls; place, 2 inches apart, on baking sheet. Flatten each, in crisscross pattern, with fork.
BAKE 11 to 12 min. or until lightly browned. Cool on baking sheet 1 min. Remove to wire racks; cool completely.