Peanut Butter & Jelly Cookie Sandos Recipe

Ingredients (16)

• 2 1/4 cups (270 grams) all-purpose flour
• 3/4 teaspoon baking soda
• 1/2 teaspoon baking powder
• 1/8 teaspoon fine salt
• 1/2 cup (4 ounces) unsalted butter, room temperature
• 1 cup (213 grams) packed light brown sugar
• 1/2 cup (100 grams) granulated sugar
• 1/3 cup white miso
• 1/4 cup creamy peanut butter, preferably all-natural
• 1 teaspoon vanilla
• 3 large egg whites, divided
• Sesame seeds, for garnish
• 1/2 cup (4 ounces) unsalted butter, room temperature
• 1 1/2 cups (170 grams) confectioners’ sugar
• 1 tablespoon milk
• 2 tablespoons jam, like Concord grape or strawberry