Preheat oven to 350F degrees. Line baking sheet with parchment paper.
In 12-inch skillet, melt butter over medium heat. Add brown sugar and syrup. Mix well. Cook until bubbly, stirring constantly. Add pecans and cook 2 to 3 minutes. Stir constantly until coated.
Spread mixture onto parchment-lined baking sheet. Bake 6 to 8 minutes or until golden brown. Cool completely, about 30 minutes. Store in airtight container up to 2 weeks in refrigerator.