Ingredients

• 0.5 cups plus 1 tablespoon unsalted butter
• 1 , 11 ounce
• 1 , 10 ounce
• 1 teaspoon vanilla extract
• 0.5 teaspoons salt
• 1 , 11 ounce
• salt , such as Maldon

Instructions

1. 1 Gather all ingredients. Grease a 9x13-inch baking dish with 1 tablespoon butter.
2. 2 In a heavy-bottomed pot or double boiler, melt remaining 1/2 cup butter.
3. 3 Turn off heat; add chocolate chips and 3/4 of marshmallows. Stirring constantly, return to low heat to melt evenly. This may take 5 to 10 minutes.
4. 4 Stir in vanilla extract and salt. Add golden grahams to a large bowl; pour in melted mixture and toss until well coated. Set aside a few marshmallows for topping, and stir in remaining marshmallows.
5. 5 Press into the prepared baking dish, top with the last few marshmallows, and scatter over a pinch of flaky salt. Refrigerate until completely chilled, at least 1 hour.
6. 6 Slice with a sharp knife to serve.

Nutrition per serving