Preheat oven to 375 degrees F. In a large bowl, cream the butter. Add in sugar and beat until light and fluffy.
Add in molasses and egg. Mix to combine.
Add in dry ingredients, mixing until just combined. Fold in toffee bits.
Place dough into balls and place on parchment covered baking sheet. Bake for 9-11 minutes or until edges are crispy and middle is set. Don't over bake!Leave on baking sheet for 2 minutes to cool and then transfer to a cooling rack.