Chicken Turnovers with Diced Vegetables

Ingredients

• 2 tbsp olive oil
• 4-6 boneless, skinless chicken thighs, cubed
• 1 onion, small, chopped
• 1 carrot, large, diced
• 1/3 cup peas, frozen
• 8 white button mushrooms, sliced
• 1/3 cup chives, chopped
• 2/3 cups 35% (whipping) cream
• 1/2 lb puff pastry
• or
• 1/2 lb prepared pie pastry
• flour, (to roll dough)
• salt, to taste
• pepper, freshly ground, to taste
• 1/2 cup Gruyere cheese, grated
• 1 egg, beaten