Food & Cooking Recipes Breakfast & Brunch Recipes Tomato-Onion Casserole 3.7 (53) 3 Reviews By Martha Stewart Martha Stewart Martha Stewart is a bestselling author, entrepreneur, and lifestyle expert who has taught millions of people through generations the joy of entertaining, cooking, gardening, collecting, crafting, and home renovating via her eponymous magazine, Martha Stewart Living, Emmy-winning television shows, and 99 books (and counting). Based in Katonah, N.Y., where she helms her 156-acre Bedford Farm, Martha is America's first self-made female billionaire. Editorial Guidelines Updated on January 22, 2018 Rate PRINT Share Close Photo: Con Poulos Prep Time: 10 mins Total Time: 55 mins Servings: 8 If you're a fan the juicy flavor of roasted tomatoes, this easy brunch dish is for you. Ingredients 4 large tomatoes (about 2 pounds), cut crosswise into ½-inch slices 1 large or 2 medium red onions (about 1 pound), cut crosswise into ¼-inch rounds 2 tablespoons extra-virgin olive oil Coarse salt and ground pepper Directions Preheat oven to 450 degrees. In a 9-by-13-inch baking dish, arrange tomatoes and onions in rows, overlapping slightly. Drizzle with oil and season with salt and pepper. Bake until tomatoes are lightly browned and onions are tender, about 45 minutes. Serve warm or at room temperature. Originally appeared: Everyday Food, May 2011 Rate It PRINT