The sugar mixture can be made ahead of time. Store mixture in airtight container in refrigerator up to 2 weeks.
If you want to make these the same day, instead of placing in refrigerator overnight, leave out to rise about 2 hours or until doubled in size, and bake as directed.
To toast pecans, sprinkle in ungreased heavy skillet. Cook over medium heat 5 to 7 minutes, stirring frequently until pecans begin to brown, then stirring constantly until pecans are light brown.