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Baked zucchini casserole topped with melted cheese and breadcrumbs in a square dish

Zucchini Casserole


  • Author: Ava
  • Total Time: 45 minutes
  • Yield: 6 servings 1x
  • Diet: Vegetarian

Description

A cheesy, creamy zucchini casserole made with fresh zucchini, cheddar, Parmesan, and a crispy breadcrumb topping. Perfect as a hearty side dish or light main course.


Ingredients

Scale
  • 4 cups shredded or sliced zucchini (about 2 medium)
  • 1 small onion, finely chopped
  • 2 cloves garlic, minced
  • 1 cup shredded cheddar cheese
  • ½ cup grated Parmesan cheese
  • 2 large eggs
  • ½ cup milk
  • 1 tsp salt
  • ½ tsp black pepper
  • ½ tsp paprika (optional)
  • ½ cup breadcrumbs (optional, for topping)
  • 2 tbsp olive oil or melted butter
  • Fresh parsley or chives, for garnish

Instructions

  1. Preheat oven to 375°F (190°C) and grease a 9×9-inch baking dish.
  2. If using shredded zucchini, salt it and let sit for 10 minutes, then squeeze out moisture.
  3. In a bowl, mix zucchini, onion, garlic, cheddar, Parmesan, eggs, milk, salt, pepper, and paprika.
  4. Pour mixture into baking dish. If using, mix breadcrumbs with oil or butter and sprinkle on top.
  5. Bake uncovered for 25–30 minutes, until golden and set.
  6. Cool slightly before serving. Garnish with parsley or chives.

Notes

  • Shredded zucchini helps the casserole hold together better than slices.
  • You can substitute yellow squash or add cooked sausage for a meatier version.
  • To make ahead, assemble and refrigerate up to 24 hours before baking.
  • Prep Time: 15 minutes
  • Cook Time: 30 minutes
  • Category: Side Dish
  • Method: Baking
  • Cuisine: American

Nutrition

  • Serving Size: 1 slice (1/6 of pan)
  • Calories: 210
  • Sugar: 3g
  • Sodium: 410mg
  • Fat: 15g
  • Saturated Fat: 6g
  • Unsaturated Fat: 8g
  • Trans Fat: 0g
  • Carbohydrates: 10g
  • Fiber: 1g
  • Protein: 10g
  • Cholesterol: 95mg

Keywords: zucchini casserole, zucchini cheese bake, vegetarian casserole, summer squash recipe, easy casserole