Millionaire Shortbread Bars (Protein-Packed + Lighter) Written by Elizabeth Phillips on July 5, 2022 in Gluten-Free, Macro-friendly, Members Only, Uncategorized, Vegetarian If you love Twix, you are going to flip for these delicious Millionaire Shortbread Bars! They are so easy to make and the three layers are just perfect. These bars are only 170 calories per bar and freeze great! Username or E-mail Password Remember Me Forgot Password