Preheat oven to 375°F (190° C). Combine flour, baking soda and salt in medium bowl; set aside.
Beat Becel® Original margarine with sugars in large bowl. Beat in eggs and vanilla until blended. Gradually add in flour mixture; beat just until blended. Add your choice of mix in’s (i.e. chocolate chip, dried fruit, seeds, toffee bits, etc.). Drop by tablespoonfuls on ungreased baking sheets, 2-in. (5 cm) apart.
Bake 7 minutes or until edges are golden. Cool 2 minutes on wire rack; remove cookies from sheets and cool completely.