Sweet and Salty Stout Marshmallow Bars With Pretzels, Potato Chips, and Chocolate Recipe

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Photograph: Morgan Eisenberg

Why It Works

  • Using flat beer ensures you avoid a nasty boil-over when making the marshmallow.
  • Chocolate stout adds just the right rich, bitter note to pair with the salty and sweet flavors in these bars.

Rice Krispie treats are one of those desserts that aren't good only to those of us nostalgic for our childhoods—they're actually really delicious. But that doesn't mean we can't upgrade them. To start, we swap out the puffed rice for salty/savory pretzels and potato chips, then infuse the marshmallow binder with a bitter chocolate stout and finish the bars off with a drizzle of melted milk chocolate. Childhood snacks are great. These are even greater.

Recipe Facts

Active: 60 mins
Total: 90 mins
Serves: 12 bars

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Ingredients

  • 1 1/4 cup double chocolate stout, divided

  • Nonstick cooking spray

  • 3 packets unflavored gelatin (.75 oz total)

  • 1 1/2 cups granulated sugar

  • 1 cup light corn syrup

  • 1/4 teaspoon kosher salt

  • 1 teaspoon pure vanilla extract

  • 2 tablespoons unsalted butter, melted

  • 3 cups ruffled potato chips, crushed, or more if desired (see note)

  • 3 cups miniature pretzels, crushed, or more if desired (see note)

  • 1/2 cup milk chocolate, chopped

Directions

  1. Pour stout into a medium bowl, whisk, then refrigerate until chilled and flat, at least 1 hour and up to overnight.

  2. Spray a 9 x 13-inch baking pan with nonstick cooking spray and line the bottom with parchment paper, allowing the parchment paper ends to overhang the sides, then spray again. Pour 1/2 cup of the flat stout into a large bowl or bowl of a stand mixer and sprinkle with the gelatin. Set aside.

  3. In a large (6-quart or more) saucepan, combine sugar, corn syrup, salt, and 1/2 cup of the stout. Set over low heat and stir until the sugar is completely dissolved.

  4. Increase heat to medium-high and bring to a boil (it will bubble a lot, filling about 3/4 of the saucepan). Continue to boil until the mixture reaches the soft ball stage, 240°F on an instant-read or candy thermometer. Quickly remove the pot from heat and pour the mixture over the gelatin and stout. Beat the marshmallow mixture with a hand mixer or whisk attachment until it has tripled in size, about 10 minutes. When it is finished, the marshmallow should be very thick and sticky. Beat in vanilla extract and melted butter until combined.

  5. Working in small additions, fold in potato chips and pretzels until the mixture reaches your desired ratio of fillings to marshmallow (see note). Work quickly, since the marshmallow will begin to set as it cools; if it sets too much before you have finished adding the fillings, return it to a pot over low heat and stir until softened, then continue.

  6. Spoon the marshmallow mixture into the prepared pan and, using gloved hands or a buttered spatula, press evenly to fill the pan. Press additional pieces of pretzel and chips on top, if desired. Let stand to cool completely. Remove from pan, using overhanging parchment to lift, and cut into squares.

  7. In a microwave-safe bowl, combine the remaining 1/4 cup stout and the chopped milk chocolate. Microwave for 10 seconds, then stir. Microwave again in 10-second intervals, stirring each time, until melted and smooth. Drizzle chocolate mixture over the squares and let the chocolate cool until set. Serve. To store, cover with plastic wrap. The bars can be kept in a sealed airtight container for up to 3 days.

Special equipment

instant-read or candy thermometer, hand mixer or stand mixer, 9 x 13-inch baking pan

Notes

I prefer my marshmallow bars to have a lot of marshmallow in them, especially when that marshmallow is made with beer. If you want a bar with a higher ratio of fillings to marshmallow, add more bit by bit until you can no longer easily stir.

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Nutrition Facts (per serving)
419 Calories
8g Fat
82g Carbs
6g Protein
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Nutrition Facts
Servings: 12
Amount per serving
Calories 419
% Daily Value*
Total Fat 8g 10%
Saturated Fat 3g 15%
Cholesterol 7mg 2%
Sodium 493mg 21%
Total Carbohydrate 82g 30%
Dietary Fiber 2g 6%
Total Sugars 51g
Protein 6g
Vitamin C 2mg 12%
Calcium 30mg 2%
Iron 2mg 10%
Potassium 206mg 4%
*The % Daily Value (DV) tells you how much a nutrient in a food serving contributes to a daily diet. 2,000 calories a day is used for general nutrition advice.
(Nutrition information is calculated using an ingredient database and should be considered an estimate.)