Easy Zucchini Casserole Recipe

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Sally’s

Total Time

45 minutes

Prep Time

15 minutes

Cook Time

30 minutes

Rating

(35)

Ingredients

serves 8

1.5 lbs. (about 680g) zucchini (about 3–4 medium)
1/4 cup (60ml) heavy cream
1 large egg
1/2 cup (60g) chopped onion
2 cloves garlic, minced
1/4 teaspoon salt, plus more for step 1
1/4 teaspoon freshly ground black pepper
1 and 1/2 teaspoons dried oregano (or 2 teaspoons fresh)
1 teaspoon fresh thyme leaves (or 1/2 teaspoon dried)
1 Tablespoon chopped fresh basil (or 1 and 1/2 teaspoons dried)
3/4 cup (100g) crumbled feta cheese
1/3 cup (35g) Panko breadcrumbs, divided
Optional: 2 Tablespoons shredded parmesan cheese or crumbled feta cheese
Optional for serving: red pepper flakes

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Preparation

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Step 1

Slice zucchini into 1/2-inch thick slices and then quarter each slice. You should have a little over 6 cups or 600–700g of quartered/chopped zucchini. Sprinkle lightly with salt (reserve the 1/4 teaspoon of salt for step 3… this is just a light sprinkle). Line a colander with a clean kitchen towel or paper towels. Place zucchini in lined colander. Let sit for just 10 minutes. Blot dry as best you can.

Step 2

Preheat oven to 400°F (204°C). Grease a 2.5-quart baking dish. (See Note below for recommendations on best pans to use.)

Step 3

In a large bowl, whisk the heavy cream and egg together. Stir in the the onion, garlic, salt, pepper, oregano, thyme, basil, feta cheese, and 3 Tablespoons (21g) breadcrumbs. Stir in the zucchini. Spread mixture into prepared baking dish. Top evenly with remaining breadcrumbs.

Step 4

Bake, covered lightly with aluminum foil, for 25 minutes. Uncover and sprinkle with 2 Tablespoons parmesan cheese or crumbled feta cheese. Return to the oven, uncovered, and bake for 5 more minutes or until zucchini is tender. For a crispier/browner top, switch the oven to broil and broil for the last 30 seconds. (If skipping the cheese topping, you still want to bake the dish for 5 minutes uncovered.)

Step 5

Remove from the oven and sprinkle lightly with red pepper flakes, if desired. Leftovers keep well in the refrigerator in an airtight container for up to 5 days. Reheat as desired.

Chef’s notes

Freezing Instructions:

To freeze the unbaked casserole, assemble it then cover tightly and freeze for up to 3 months. Thaw at room temperature, then bake as directed. You can also freeze the baked and cooled casserole. Cover tightly and freeze for up to 3 months. Thaw at room temperature, then cover with aluminum foil and reheat in a 350°F (177°C) oven for 20 minutes.

Special Tools:

Colander | 2.5-Quart Baking Dish such as a 9-inch Square Baking Dish, 9-inch Springform Pan, 10-inch Springform Pan, 11×17-inch Pan, or the pictured 8×12-inch Baking Dish | Glass Mixing Bowl | Whisk

Heavy Cream:

You can use half-and-half instead, but I strongly recommend heavy cream. Do not use milk.

Herbs:

Feel free to substitute other herbs such as rosemary or parsley.

Cheese:

Tangy crumbled feta cheese is my recommended choice for this dish, but shredded white cheddar, smoked gouda, Gruyère, or pepper jack for a little kick would be great alternatives.

Panko Breadcrumbs:

Panko breadcrumbs help give the dish some substance. You can purchase Panko at most grocery stores—they’re wonderfully crunchy and perfect as a topping on casseroles. You could also make your own breadcrumbs by spreading crumbled bread pieces on a baking sheet and toasting in a 300°F (149°C) oven for 5–10 minutes or until browned and crisp.

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Easy Zucchini Casserole Recipe

Ingredients

Preparation

Step 1

Step 2

Step 3

Step 4

Step 5

Chef’s notes

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