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

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