1
: Using wooden spoon, stir together graham crumbs, rice cereal, pecans and butterscotch chips. Stir in sweetened condensed milk until all ingredients are evenly coated (mixture will be quite stiff).
2
: Press into non-stick or parchment-lined 8-inch (20 cm) square baking pan. Bake in preheated 350°F/180°C oven for 30 minutes. Cool completely in pan on wire rack. Cut into squares.