>> source: https://www.allrecipes.com/recipe/63959/magic-cookie-bars-from-eagle-brand/

Preheat the oven to 350°F (175°C). If using a glass dish, preheat the oven to 325°F (165°C). Coat a #9x13-inch baking dish{} with cooking spray.

Mix @graham cracker crumbs{1.5%cups} and @unsalted butter{1/2%cup} in a #bowl{} until well combined. Transfer the mixture to the prepared baking dish and press onto the bottom.

Pour @sweetened condensed milk{1%14-oz can} on graham cracker crust. Sprinkle with an even layer of @semisweet chocolate chips{2%cups}, @flaked coconut{1.33%cups}, and @chopped nuts (optional){1%cup}. Press toppings down firmly with the back of a #fork{}.

Bake in the preheated oven until lightly browned, about ~{25%minutes}. Cool completely, then cut into 36 bars or diamonds.