Spiciest Cinnamon-Cayenne Swirl Ice Cream Sandwich

Ingredients

• 5 tablespoons heavy cream
• ½ cup light brown sugar
• 2 ½ teaspoons ground cinnamon
• ¾ teaspoon cayenne
• ½ teaspoon kosher salt
• 2 tablespoons unsalted butter
• 4 cups vanilla ice cream, softened
• 1 ¼ sticks unsalted butter, room temperature
• ⅔ cup granulated sugar
• ¼ cup light brown sugar
• 1 large egg
• 2 tablespoons molasses
• 1 teaspoon vanilla extract
• 1 ¼ cups all purpose flour
• ¼ cup dark cocoa powder
• 1 teaspoon kosher salt
• ¼ teaspoon baking powder
• ¼ teaspoon baking soda
• ½ teaspoon cinnamon
• ¾ teaspoon cayenne, plus more to taste
• ¼ teaspoon ground nutmeg
• ¾ cup semisweet chocolate chip
• ⅓ cup brown sugar
• 2 teaspoons cinnamon
• 1 ¼ teaspoons cayenne