3/4 cup butter
3/4 cup packed brown sugar
1 1/2 cups all purpose flour
1 can (300 ml) sweetened condensed milk
2 Tbsp butter
1 pkg (300 g) milk chocolate chips
1 pkg (225 g) toffee bits (aka skor bits)
Preheat oven to 350F. Grease a 13"x9" cake pan and line with parchment paper overlapping two sides for easy removal.
Cream first three ingredients and press evenly in prepared pan.
Bake in preheated overn for 20 to 25 minutes or until light golden. Cool on wire rack while preparing filling.
Heat sweetened condensed milk and 2 Tbsp butter in heavy medium saucepan, stirring constantly over medium heat for five to ten minutes or until thickened. Spread over baked base. Bake for 12 to 15 minutes longer or until golden.
Sprinkle milk chocolate chips evenly over top. Bake two minutes more or until chocolate is shiny and soft. Remove from oven. Spread chocolate evenly. Sprinkle toffee bits on top, pressing lightly into chocolate. Cool completely. If necessary, chill just to set chocolate before cutting into bars. Store at room temperature.