Preheat the oven to 350°F (180°C).
In large bowl, beat butter and brown sugar until fluffy.
Beat in egg yolk and vanilla until creamy.
Stir in flour and ¾ cup (180 mL) of the toffee bits.
Press into ungreased 15 in x 10 in (39 cm x 27 cm) jelly roll pan.
Bake 18 to 20 minutes or until light brown.
Immediately sprinkle semi-sweet chocolate chips over top.
Let stand until softened, about 5 minutes and spread evenly over top.
Sprinkle with remaining toffee bits.
Let cool completely.
Cut into 3 in (7.5 cm) squares; cut each square diagonally into 4 triangles.
Metro Richelieu inc. , its affiliated companies and affiliates are not responsible for any circumstance that should come up when using the suggested recipes. Each person using this site must check that each of the ingredients is allowed in his/her diet and is not part of his/her restricted foods.
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