1. Heat oven to 350°F. Lightly grease cookie sheet or line with parchment paper.
2. Stir together flour, baking soda and salt; set aside. Beat butter, granulated sugar, brown sugar and vanilla in a large bowl until well blended. Add eggs; beat well. Gradually add flour mixture, beating until well blended. Stir in toffee bits.
3. Drop by rounded teaspoons onto prepared cookie sheet. Bake 9 to 11 minutes or until lightly browned. Cool slightly; remove from cookie sheet to wire rack. Cool completely. Makes about 48 cookies.