Low FODMAP Mocha Chocolate Chunk Bars with Whiskey Salted Caramel - FODMAP Everyday

Ingredients

• 1/2 cup (99 g) sugar
• 2 tablespoons water
• 3 tablespoons lactose-free heavy cream, (at room temperature)
• 2 tablespoons unsalted butter, (at room temperature, cut into pieces)
• 1 teaspoon whiskey
• Maldon salt or other large flake salt
• 1/2 cup (1 stick; 113 g) unsalted butter, (cut into pieces)
• 1 cup (145 g) plus 3 tablespoons low FODMAP gluten-free all-purpose flour, (such as Bob’s Red Mill 1 to 1 Gluten Free Baking Flour)
• Heaping 1/2 teaspoon baking powder; (use gluten-free if following a gluten-free diet)
• 1/4 teaspoon salt
• 1 cup (213 g) firmly packed light brown sugar
• 1 tablespoon plus 1 teaspoon whiskey, (divided)
• 2 teaspoons instant espresso powder
• 1 teaspoon vanilla extract
• 1 large egg, (at room temperature)
• 6 ounces (170 g) dark chocolate chunks, (preferably 60% to 65% cacao)