Gluten-Free S’more Bars

Ingredients:

• 5 gluten-free graham cracker sheets, broken
• 3.38 ounces gluten-free flour (about 3/4 cup)
• 1/2 cup packed brown sugar
• 1/4 cup chilled unsalted butter, cut into 1/2-inch pieces
• 1 large egg
• 6 tablespoons heavy whipping cream
• 2 (4-ounce) bars semisweet chocolate, chopped
• 2 cups miniature marshmallows

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