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Sheet Pan S'mores

Photo: Iain Bagwell; Prop Styling Kay Clarke
Active time 30 mins
Total time 1 hr
Yield

Serves 30 (serving size: 1 square)

This summertime treat is perfect for a potluck. They are great served at room temperature, but if you want, pop the pan into a warm (250°) oven for 1 or 2 minutes just until the chocolate softens for the full gooey experience.

Ingredients

  • 1 (14.4-oz.) box graham crackers, lightly crushed
  • 1 cup plus 3 Tbsp. sugar, divided
  • 1/4 cup unsalted butter, melted
  • 3/8 teaspoon salt, divided
  • 5 large egg whites, at room temperature, divided
  • 1 large egg
  • Cooking spray
  • 12 ounces finely chopped bittersweet chocolate
  • 3/4 teaspoon vanilla extract
  • 1/4 teaspoon cream of tartar
  • 1/3 cup water

Nutrition Information

  • calories 175
  • fat 7.9 g
  • satfat 4 g
  • monofat 1 g
  • polyfat 0.6 g
  • protein 3 g
  • carbohydrate 24 g
  • fiber 2 g
  • cholesterol 11 mg
  • iron 2 mg
  • sodium 108 mg
  • calcium 13 mg
  • sugars 15 g
  • Est. Added Sugars 15 g

How to Make It

  1. Preheat oven to 350°.

  2. Process crackers in a food processor until fine crumbs form; transfer to a large bowl. Add 3 tablespoons sugar, butter, 1/4 teaspoon salt, 1 egg white, and whole egg, stirring to combine.

  3. Press crumb mixture into bottom of a 13- x 18-inch jelly-roll pan coated with cooking spray. Bake at 350° for 8 minutes or until crust is set. Remove from oven; sprinkle chocolate in an even layer over hot crust, spreading evenly as the chocolate melts. Cool completely in pan on a wire rack.

  4. Preheat broiler to high.

  5. Place remaining 4 egg whites in a large bowl. Add vanilla, cream of tartar, and remaining 1/8 teaspoon salt; beat with a mixer at high speed until soft peaks form. Combine remaining 1 cup sugar and 1/3 cup water in a saucepan; bring to a boil. Cook, without stirring, until a candy thermometer registers 250°. Gradually pour hot sugar syrup in a thin stream over egg whites, beating at medium-low speed, then at high speed until stiff peaks form. Spread meringue over cooled chocolate-graham crust. Place pan on middle rack of oven; broil 1 1/2 minutes or until meringue topping is toasted and golden brown. Let stand 5 minutes. Cut into 30 squares. Serve warm or at room temperature.