Heat oven to 400F. Grease bottoms only of 12 medium muffin cups or line with paper baking cups. In medium bowl, beat brown sugar, margarine and cream cheese until creamy. Add milk egg and maple extract; mix well. Add combined dry ingredients and 1/2 cup pecans; stir just until dry ingredient are mositened. Fill prepared muffin cups 3/4 full. Sprinkle wit remaining 1/4 cup pecans. Bake 20-22 minutes or until golden brown. Cool; serve slightly warmm. To freeze muffins, wrap securely; seal, label and freeze.