These S'Mores 7-Layer Magic Bars are sweet, sticky bars with a graham cracker crust, and a layer each of chocolate chips, toffee, caramel, marshmallows, and pecans, all covered with sweetened condensed milk.
Preheat oven to 350F. Line 8-inch square baking pan with parchment paper. Spray generously with non-stick spray. Set aside.
Mix together graham cracker crumbs and melted butter. Press onto the bottom of the prepared dish and slightly up the sides.
Layer chocolate chips and next 4 ingredients (in that order) into prepared baking pan. Drizzle with sweetened condensed milk.
Bake for 18 minutes. Remove from the oven and cover with aluminum foil. This will prevent the marshmallows from getting too brown. Place back into the oven and bake for 17-18 more minutes (for a total of 35-36 minutes). Allow to cool completely and lift the bars out of the pan using the edges of the parchment paper. Cut into 12 squares.