Dieting Made Easy… And Delicious! The Slim-Fast® 3•2•1 PlanTM lets you enjoy 3 snacks (like NEW Slim-Fast® Snack Bites), 2 Slim-Fast® Shakes or Meal Bars and 1 balanced meal every day. Our products, in lots of delicious flavors, are a big part of what makes the plan work—and are the cornerstone to helping you stay on track.