Skor Bars

These are TDF ( to die for)
¾ cup margarine
¾ cup packed brown sugar
1 ½ cups all purpose flour
1 can sweetened condensed milk
2 TBSP margarine
1 300 gram package of milk choc chips
1 225 gram pkg skor bits

Cream first 3 ingredients together until well blended and mixture comes together. 
Press evenly in a 9x13 inch cake pan.
Bake at 350 for 20-25 minutes or until light golden
Cool on wire rack while preparing filling.
Heat sweetened condensed milk and 2 TBSP margarine in heavy sauce pan over medium heat stirring constantly for 10-15 minutes until thickened.
Spread over baked base
Bake 12-15 minutes longer until golden.
Sprinkle milk chocolate chips evenly over top.
Bake 2 minutes until chocolate is shiny and soft.
Remove from oven and spread chocolate evenly.
Sprinkle Skor bits on top pressing lightly into chocolate
Cool completely. If necessary chill just to set chocolate before cutting into bars. Store at room temperature.