Cream sugar and margarine at medium speed of a mixer until fluffy (about 3 minutes). Add corn syrup, extract, egg, and egg white; beat well. Combine flour, poppy seeds, and baking soda; stir. Add to creamed mixture, beating well.
Drop dough by rounded tablespoons onto baking sheets coated with cooking spray. Bake at 350° for 10 minutes or until lightly browned; let cool on pans 1 minute. Remove from pans, and let cool completely on wire racks.