Cook carrots in a large pot of boiling water until tender. Drain and return to pot.
Meanwhile in another small saucepan mix Catalina Dressing and Maple Syrup. Cook on medium-low heat for 15-20 mins, stirring occasionally, until hot and bubbly.
Pour glaze over carrots and cook over medium-low heat for 5 mins or until glaze is thickened to desired consistency. Stir frequently.
Stir in butter or margarine. Stir in pecans (optional) and serve. If preparing a head of time add pecans just prior to reheating.