Onion and Sage Tarts

Ingredients

• 4 7-inch Flaky Pastry Tart Shells
• 2 pounds yellow onions
• 2 ounces bacon
• ½ teaspoon salt
• 3 teaspoons balsamic vinegar
• 2 tablespoons fresh sage
• Freshly ground black pepper
• + 3 more ingredients
• • 1 teaspoon sugar
  • ¼ cup heavy cream
  • 1 large egg

1. Caramelizing the onions. Peel the onions and cut them in half from root to tip. Cut out the dense core at the root end and slice the onions 1/4 inch thick, again from root end to tip. Cook the bacon, stirring often, in a large (4-quart) saucepan over medium heat until almost crisp. Add the oni...

View full recipe at Epicurious