Heat oven to 350-degrees and lightly grease cookie sheet or line with parchment paper.
Stir together flour, baking soda and salt.
In a large bowl, beat butter or margarine, granulated sugar, brown sugar and vanilla until well blended.
Add eggs and beat well.
Gradually add flour mixture, beating until well blended.
Stir in toffee chips.
Drop by rounded teaspoon onto prepared cookie sheet.
Bake 9 - 11 minutes until lightly browned. Cool for 1 to 2 minutes on the cookie sheet then remove to a wire rack to cool completely.