Creating Savory Zucchini Casserole is straightforward and enjoyable. Follow these steps to make it effortlessly:

1. Preheat the Oven: Preheat your oven to 350°F (175°C) and grease a 9×13 inch baking dish.
2. Sauté the Vegetables: In a large skillet, heat olive oil over medium heat. Add chopped onion and minced garlic, sautéing until translucent.
3. Cook the Zucchini: Add the sliced zucchini to the skillet and cook for about 5-7 minutes until slightly softened. Remove from heat.
4. Mix Cheeses and Eggs: In a large bowl, combine ricotta cheese, ½ cup of cheddar cheese, eggs, dried oregano, salt, and pepper. Mix until smooth.
5. Combine Ingredients: Stir in the sautéed zucchini mixture and breadcrumbs. Add chopped parsley if desired. Mix until well combined.
6. Transfer to Baking Dish: Pour the mixture into the greased baking dish. Spread it evenly.
7. Top with Cheese: Sprinkle the remaining ½ cup of cheddar cheese over the top of the casserole.
8. Bake: Place in the preheated oven and bake for 30-40 minutes, or until the top is golden and bubbly.
9. Cool: Remove from the oven and let it cool for about 10-15 minutes before serving.

With these simple steps, you’ll have a delicious Savory Zucchini Casserole ready to delight your taste buds!