Food and Recipes Recipes Zucchini-Potato Casserole 4.0 (3) 3 Reviews This elegant tian, a French dish of layered vegetables, is delicious warm or at room temp. By Marian Cooper Cairns Marian Cooper Cairns Marian Cooper Cairns is a food stylist and recipe developer based in Los Angeles with 20 years of experience in the food industry. Originally from Alabama, she still sports a southern accent and is known for making really bad food puns on social media and can make you a darn great buttermilk biscuit, just ask. When she is not poking at food with tweezers she loves to talk all things Pimento Chz Club, her small batch pimento cheese company. Her passion for food styling and recipe development serves clients for ad campaigns, product packaging, cookbooks, and commercials. Clients include Jack in the Box, Whole Foods, Target, Walmart, Sams Club, Damn Delicious, Southern Living, Food and Wine, and Good Catch Foods, and Alaska Seafood Marketing Institute to name a few. Southern Living's editorial guidelines Updated on July 27, 2018 Print Share Share Tweet Pin Email Photo: Photo: Iain Bagwell Hands On Time: 35 mins Total Time: 1 hrs 50 mins Yield: 6 to 8 servings Ingredients 2 tablespoons butter 2 medium-size sweet onions, chopped Vegetable cooking spray 1 medium-size Yukon gold potato, sliced 1 medium-size zucchini, sliced 4 plum tomatoes, sliced 1 1/2 teaspoons kosher salt 3/4 teaspoon freshly ground black pepper 2 tablespoons butter, melted 1/3 cup freshly grated Parmesan cheese Directions Preheat oven to 375°. Melt 2 Tbsp. butter in a medium skillet over medium heat; add onions, and sauté 10 to 12 minutes or until tender and onions begin to caramelize. Spoon onions into a 10-inch quiche dish coated with cooking spray. Toss together potatoes and next 4 ingredients. Arrange potatoes, zucchini, and tomatoes in a single layer over onions, alternating and overlapping slightly. Drizzle with 2 Tbsp. melted butter. Cover with aluminum foil. Bake at 375° for 30 minutes. Remove foil, and sprinkle with cheese. Bake 35 to 40 minutes or until golden brown. Let stand 10 minutes before serving. Print