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 9x13" 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