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Lemon Butter Cod and Summer Squash Casserole

Lemon Butter Cod and Summer Squash Casserole
45min Total Time
4 people Servings
Medium Difficulty
Moderate Cost
350 kcal Calories

Lemon Butter Cod and Summer Squash Casserole is a refreshing dish that combines flavorful cod with creamy summer squash, creating a perfect summer meal!

Ingredients

4
  • 4 cod fillets
  • 2 medium summer squash, sliced
  • 1 medium yellow onion, chopped
  • 3 cloves garlic, minced
  • 1/4 cup unsalted butter
  • 1 lemon, juiced and zested
  • 1 cup breadcrumbs
  • 1/2 cup grated Parmesan cheese
  • Salt and pepper to taste
  • 2 tablespoons olive oil
  • Fresh parsley, chopped (for garnish)

Instructions

1

Preheat your oven to 375°F (190°C).

2

In a large skillet, heat olive oil over medium heat and sauté the chopped onion and minced garlic until softened.

3

Add the sliced summer squash and cook until just tender, about 5 minutes. Season with salt and pepper.

4

In a small saucepan, melt the butter and mix in lemon juice and zest.

5

Layer the sautéed squash in a greased baking dish, followed by the cod fillets on top.

6

Drizzle the lemon butter mixture over the cod and squash evenly.

7

In a bowl, mix breadcrumbs and Parmesan cheese, then sprinkle over the top of the cod.

8

Bake in the preheated oven for about 20 minutes, or until the cod is cooked through and flakes easily with a fork.

9

Garnish with fresh parsley before serving.

Kitchen Tools

  • Large skillet
  • Baking dish
  • Small saucepan
  • Mixing bowls
  • Knife and cutting board

Chef's Tips

For added flavor, marinate the cod in lemon garlic before cooking.
Feel free to substitute zucchini for the summer squash if preferred.

Troubleshooting

If the casserole is too dry, adding a splash of vegetable broth before baking can help.
If the top is browning too quickly, cover it with foil until the cod is cooked through.

Recipe Variations

Add spinach or kale for a boost of greens.
Incorporate diced tomatoes for a Mediterranean twist.

Healthy Alternatives

Replace regular butter with a plant-based alternative for a vegan option.
Use whole grain breadcrumbs for extra fiber.

Serving Suggestions

Serve with a fresh garden salad.
Pair with steamed asparagus or green beans.

Nutrition Facts

350
Calories
32g
Protein
15g
Carbs
18g
Fat
3g
Fiber
4g
Sugar
400mg
Sodium
75mg
Cholesterol

Dietary Info

Gluten-free
Lactose-free
High-protein

Garnish Ideas

Fresh lemon slices
Chopped chives or dill

Storage

Store leftovers in an airtight container in the fridge for up to 3 days.
Reheat gently in the oven to avoid overcooking the fish.

Leftover Ideas

Create a cod salad by flaking leftovers and mixing with Greek yogurt and diced vegetables.
Make a quesadilla using corn tortillas and leftover ingredients.

Common Mistakes to Avoid

Overcooking the cod can lead to dryness; ensure it is just cooked through.
Not seasoning adequately can diminish the flavor of the dish.

Frequently Asked Questions

Can I use frozen cod for this recipe?

Yes, thaw the frozen cod before using it in the casserole.

What can I substitute for summer squash?

Zucchini or other seasonal vegetables can be used as a substitute.

How can I make this dish spicier?

Add red pepper flakes to the lemon butter mixture for an extra kick.

Is this dish suitable for meal prep?

Yes, it's great for meal prep and can be reheated throughout the week.

Can I make this dairy-free?

Yes, you can replace butter with a dairy-free alternative and omit the cheese.

Reviews

Emily
Jun 2, 2026
Absolutely delicious! The lemon butter adds such a great flavor.
Michael
Jun 1, 2026
Very tasty, but I would've liked a bit more seasoning on the cod.
Sarah
May 29, 2026
It was good but didn't wow me. Maybe I'll try adding more spices next time.
James
Jun 9, 2026
My family loved this! It was easy and packed with flavor.
Laura
May 24, 2026
Great dish! Will make again, but might add some herbs.
David
May 31, 2026
The perfect summer meal! Fresh and light.
Anna
Jun 15, 2026
Good recipe! I added some chili flakes for a bit of heat.
Mark
Jun 19, 2026
Overall okay, but the casserole was a bit dry.
Jessica
May 22, 2026
Love how quick and easy this was to prepare!
Tom
Jun 19, 2026
Satisfying and different! Great flavors.
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