1-First Step: Prep the pan and oven Start by preheating your oven to 350°F. Line a 9×13 baking pan with parchment paper and leave some overhang on the sides. That extra parchment makes it much easier to lift the bars out later, which is one of the best magic cookie bars tips for clean slicing.

2-Second Step: Make the crust In a bowl, combine 1 1/2 cups graham cracker crumbs with 1/2 cup melted unsalted butter. Stir until the crumbs are evenly coated and look like damp sand. Press the mixture firmly into the bottom of the prepared pan. A solid crust helps the bars hold together after baking.

3-Third Step: Add the chocolate and butterscotch layers Sprinkle 1 cup semi-sweet chocolate chips evenly over the crust, then add 1 cup butterscotch chips. Try to spread them out so every square gets plenty of sweet, melty goodness. Even layering gives you consistent bites from edge to edge.

4-Fourth Step: Add the nuts and coconut Next, scatter 1 cup chopped pecans over the chips, followed by 1 cup shredded coconut. This is where the bars start to look like the classic 7 layer dessert everyone loves. If you want a different flavor, you can swap the pecans for walnuts or almonds, but keep the amount the same for best results.

5-Fifth Step: Pour on the sweetened condensed milk Drizzle the full 1 14-ounce can of sweetened condensed milk evenly over the top. Pour it slowly so it reaches as many spots as possible. Adding the milk last helps keep the toppings in place and creates that gooey finish that makes magic cookie bars so popular.

6-Sixth Step: Bake until lightly browned Bake for 25 to 30 minutes, or until the top looks lightly browned and set. The edges should be golden, and the center should look sticky but not wet. If your oven runs hot, start checking at the 25-minute mark.

7-Final Step: Cool, slice, and serve Let the bars cool completely before cutting. This step matters a lot because the layers firm up as they cool, and slicing too soon can make a mess. Once cool, lift the bars out with the parchment overhang and cut them into squares.