Caramel Apple Butter Bars - The Loveless Cafe

Ingredients

• 2 cups butter, softened
• 1 cup white sugar
• 1 1/2 cups confectioners' sugar
• 1 tablespoon plus 1/2 teaspoon vanilla extract, divided
• 4 cups flour
• 1 (14 ounce) bag caramels, unwrapped
• 1/3 cup heavy whipping cream
• 1/2 cup Loveless Cafe Apple Butter
• 2 teaspoons coarse sea salt