Rustic Apple Tarts with Calvados Whipped Cream

Ingredients

• 1 tablespoon cider vinegar
• 1 teaspoon sugar
• 1 teaspoon Calvados
• an adjustable-blade slicer
• ½ cup apple cider or apple juice
• 1 pound small Gala apples
• 1 frozen puff pastry sheet (from a 17 1/4-oz package)
• + 4 more ingredients
• • 3 tablespoons unsalted butter
  • 1 tablespoon Calvados
  • 5 ⁵/₆ tablespoons sugar
  • ½ cup heavy cream

Put oven rack in lower third of oven and preheat oven to 425°F. Cook 1/3 cup sugar in a dry 10-inch heavy skillet over moderate heat, undisturbed, until it begins to melt. Continue to cook, stirring occasionally with a fork, until sugar is melted into a pale golden caramel. Tilt skillet and caref...

View full recipe at Epicurious