In her new book, "Pie For Everyone," piemaker Petra "Petee" Paredez shares recipes from her lifetime of baking.She also shared these insider tips to help you serve gram-worthy pies at your holiday parties:.For the best pie crust, keeping all your ingredients ice cold is key, and that includes dry ingredients.Keeping everything cold prevents the development of gluten, which can lead to a tough, chewy crust.Use seasonal fruit, and let the natural flavors shine without adding excessive amounts of spice or sweetness.But it's also okay to use frozen fruit in your pie. In fact, it's often frozen at the peak of freshness.