Mocha Caramel Crunch Chocolate Chip Cookie Bars.

Bahan-bahan (20 porsi)

• 2 sticks (1 cup) unsalted butter, at room temperature
• 2/3 cup light brown sugar
• 1/2 cup granulated sugar
• 2 eggs
• 1 tablespoon vanilla
• 1 tablespoon instant coffee
• 2 1/4 cups all-purpose flour
• 1 teaspoon baking soda
• 1 teaspoon kosher salt
• 4 -5 cups semi-sweet chocolate chips
• 1 cup Rice Krispies cereal
• 2 cups granulated sugar
• 1/2 cup heavy cream + more if needed
• 4 tablespoons unsalted butter, at room temperature, cut into chunks
• 1 tablespoon Kahlua (optional)
• pinch of sea salt