Puff Pastry Chicken Pot Pie

Ingredients

• 2 tbsp olive oil
• 1 lb boneless skinless chicken thighs, cubed
• 1 small onion, chopped
• 2 cloves garlic, minced
• 1 cup sliced mushrooms
• 1 tsp dried thyme
• 4 tbsp butter
• 1/2 cup flour
• 1 1/2 cup chicken broth
• 1 cup heavy cream
• 2 cans (15 oz. each) Libby's Mixed Vegetables, drained
• 1 package frozen puff pastry, thawed
• 1 egg + 1 tsp water (for egg wash)