If you make your own pesto, try it in this recipe! You can freeze your homemade pesto by storing small amounts in plastic freezer containers. Top the pesto with a thin layer of oil, cover and freeze. It's fantastic in the middle of winter when you're longing for the taste of fresh summer vegetables. leftover grilled or baked chicken can also be used in this recipe. Plan ahead as it needs to chill for at least 2 hours. Cook time is chill time.