Katie transforms two of summer's most-popular vegetables into a creamy, cheesy side dish!#TheKitchen #FoodNetwork #KatieLee #Zucchini #Squash #GratinWatch Katie on #TheKitchen, Saturdays at 11a|10c and #StreamOnMax!Get the recipe https://foodtv.com/3qAP6abSubscribe to Food Network http://foodtv.com/YouTubeTalented food experts gather in the kitchen to share lively conversation and delicious recipes. From simple supper ideas to the latest food trends, they cover all things fun in food!Welcome to Food Network, where learning to cook is as simple as clicking play! Grab your apron and get ready to get cookin' with some of the best chefs around the world. We'll give you a behind-the-scenes look at our best shows, take you inside our favorite restaurant and be your resource in the kitchen to make sure every meal is a 10/10!Zucchini and Squash GratinRECIPE COURTESY OF KATIE LEE BIEGELLevel: EasyTotal: 2 hr 25 min (includes resting time)Active: 45 minYield: 8 servingsIngredientsFilling:3 pounds yellow squash, cut 1/8-inch thick2 pounds zucchini, cut 1/8-inch thick3 tablespoons unsalted butter, plus additional for greasing1 medium yellow onion, minced1 medium clove garlic, minced2 large eggs, lightly beaten8 ounces sour cream1/3 cup mayonnaise4 ounces sharp white Cheddar, freshly grated1 teaspoon chopped fresh thyme10 fresh basil leaves, chiffonade2 teaspoons kosher salt1/4 teaspoon freshly ground black pepper3 tablespoons minced fresh flat leaf parsleyTopping:32 butter crackers, crushed2 tablespoons unsalted butter, melted3 tablespoons grated ParmesanDirectionsFor the filling: Heat a large high-sided skillet over medium-high heat. Add half the squash and zucchini and a pat of butter if desired. Stir, then reduce the heat to medium. Cover and let steam (you are not looking to get color on the squash, just to release its moisture), stirring occasionally, about 5 minutes. Transfer to a colander and let drain for at least 1 hour. Repeat with the second half of the squash and another pat of butter.When ready to bake, preheat the oven to 350 degrees F and grease a 9-by-13-inch casserole dish with butter.In the same skillet, heat the remaining tablespoon butter and cook the onions until translucent, about 5 minutes. Stir in the garlic and cook for an additional minute. Allow to cool slightly.In a large bowl, combine the eggs, sour cream, mayonnaise, Cheddar, thyme, basil, salt, pepper and 2 tablespoons parsley. Stir in the squash mixture and the onion mixture. Transfer to the prepared baking dish.For the topping: In a small bowl, mix the cracker crumbs with the melted butter. Sprinkle over the top of the casserole. Sprinkle over the Parmesan and bake until golden brown, about 30 minutes. Garnish with the remaining tablespoon parsley. Allow the casserole to rest for 10 to 15 minutes before serving.Subscribe to our channel to fill up on the latest must-eat recipes, brilliant kitchen hacks and content from your favorite Food Network shows. WEBSITE: https://www.foodnetwork.com FULL EPISODES: https://watch.foodnetwork.com FACEBOOK: https://www.facebook.com/FoodNetwork INSTAGRAM: https://www.instagram.com/FoodNetwork TWITTER: https://twitter.com/FoodNetwork TIKTOK: https://www.tiktok.com/@foodnetwork Katie Lee Biegel's Zucchini and Squash Gratin | The Kitchen | Food Networkhttps://www.youtube.com/watch?v=x8KzB0t36ZA