Preheat oven to 350
Line a 9 x 13" pan with parchment paper
Crush the graham crackers using a food processor or rolling pin
Melt butter and mix with the graham cracker crumbs
Press the graham cracker crumb mixture into the lined 9×13" pan
Layer on chocolate chips, butterscotch chips, coconut flakes, and chopped pecans
Pour sweetened condensed milk on top of everything and spread evenly
Bake for 25-30 minutes or until golden and bubbly
Wait until cooled to cut
Eat within a couple of days or store in the freezer for up to 2 months