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["Preheat oven to 350*F.", "Grease a 13x9"" baking pan, or line it with parchment paper.", "Sift together the flour, baking soda, and salt in a medium bowl; set aside.", "Using an electric mixer on medium speed, cream together the butter and both sugars until creamy.", "Add the eggs and vanilla; blend until smooth.", "Gradually stir in the flour mixture, then the toffee bits, reserving a handful for garnishing.", "Spread the batter evenly in the prepared pan; bake for 35-40 minutes.", "Cool completely in pan on a wire rack.", "Combine the condensed milk and chocolate chips in a small saucepan.", "Cook and stir over low heat until the chocolate has melted.", "Spread the mixture on top of the bars; sprinkle with remaining toffee bits.", "When the frosting has set, cut into 1"" bars."]
