A warm, golden casserole loaded with tender zucchini, melted cheeses, and a buttery cracker topping that bakes up crisp, comforting, and absolutely irresistible.
3cupszucchini (about 3 medium-sized)chopped or thinly sliced
1medium onionfinely chopped
1tablespoonbutter
1large eggbeaten
1teaspoongarlic saltor ½ teaspoon garlic powder + ½ teaspoon salt
1teaspoonItalian seasoning
1pinchcrushed red pepper flakes
1cupshredded sharp cheddar cheese
½cupshredded mozzarella cheese
1cupRitz crackerscrushed
For the Topping
¼cupgrated Parmesan cheese
2tablespoonsbuttermelted
½cupRitz crackerscrushed
Optional garnish: fresh parsley or chives
Instructions
Preheat oven to 350°F.
Lightly grease a 9x9-inch or similar-sized baking dish.
In a skillet over medium heat, cook the onion in olive oil or butter until soft and translucent, about 4–5 minutes. Remove from heat.
In a large bowl, combine chopped zucchini, sautéed onion, beaten egg, garlic salt, herbs, crushed red pepper flakes, cheddar cheese, mozzarella cheese, and 1 cup of the crushed crackers. Mix until well combined.
Spread mixture evenly in the prepared baking dish.
In a small bowl, mix the remaining ½ cup of crushed crackers, Parmesan cheese, and melted butter. Sprinkle evenly over the top of the casserole.
Bake uncovered for 35–40 minutes, or until the top is golden brown and the casserole is set.