Pear, Gorgonzola, And Caramelized Onion Galette Recipe

Ingredients

• 1 tablespoon butter
• 1 tablespoon balsamic vinegar
• 2 large sweet onions, sliced thinly
• pinch of salt and freshly ground pepper
• 1 tablespoon all-purpose flour, plus more for dusting
• 1 refrigerated pie crust
• 2 firm bosc or anjou pears, peeled and sliced thinly
• 3 ounce crumbled gorgonzola
• 1/2 cup coarsely chopped pecans
• 1 egg, beaten slightly