Preheat oven to 350°F.

Mix graham cracker crumbs with melted butter and press crust firmly into bottom of greased 9x13-inch pan.

Evenly pour ½ can sweetened condensed milk over crust.

Mix ½ cup pretzel pieces, chocolate chips, pecan pieces and butterscotch morsels. Pour mixture evenly over sweetened condensed milk.

Pour remaining ½ can sweetened condensed milk overtop; sprinkle with coconut and pretzel pieces.

Bake 20–30 minutes until edges are golden-brown and middle is just set. Remove; cool completely before cutting and serving. Store any leftovers in an airtight container.