Cranberry, Spinach, And Brie Turnovers

Ingredients

• 1 tablespoon yellow onion, chopped
• 5 ounce spinach, such as organicgirl super spinach
• 1 teaspoon extra virgin olive oil
• 2 sheets frozen puff pastry, defrosted
• 3 1/2 ounce brie cheese, cut into eight small pieces
• 1/2 cup cranberry sauce or chutney
• 1 egg plus two teaspoons water, for egg wash