Grease wax paper sheet with butter, then set aside.
Combine sugar and next 5 ingredients in a large heavy saucepan. Cook over low
heat, stirring gently, until butter melts. Cook over medium heat, stirring constantly,
until mixture reaches soft ball stage (238 degrees F), about 15 minutes.
Remove from heat; stir in pecans and flavorings. Beat with a wooden spoon just
until mixture begins to thicken.
Working rapidly, drop by rounded tablespoonsful onto prepared wax paper.