Heat oven to 350°F. Line baking sheets with parchment paper or silicon baking mat
In a medium bowl whisk together flour, baking soda and salt set aside.
In a large mixing bowl, beat butter, granulated sugar, brown sugar and vanilla until well blended. Add eggs one at a time, beating well after each addition.
Gradually add flour mixture, beating until well blended. Stir in toffee bits and chocolate chips
Drop by rounded teaspoons onto prepared cookie sheet.
Bake 9 to 11 minutes or until lightly browned. Move cookies to cooling rack to cool completely.
Let ice cream soften slightly before making sandwiches: - turn one half of the cookies upside down - spread with ice cream - top with another cookie - roll cookie edge in sprinkles, nuts, toffee, etc. if desired. - eat immediately or wrap in plastic to freeze for later.
Notes
Variation: Toffee Crunch Sandwich Cookies
Prepare one batch Penuche Frosting. Mix in 4 ounces of toffee chips. Swap for the ice cream above.