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Spaghetti Lasagna with a Florentine Crab Filling

Spaghetti Lasagna with a Florentine Crab Filling

This delicious twist on a classic combines tender spaghetti layers with a rich Florentine crab filling for a unique and flavorful meal. It's perfect for seafood lovers looking to impress with something a little different.

★★★★☆4.9(8 reviews)Updated: Mar 31, 2026
Prep Time 30 min
Cook Time 50 min
Total Time 1 hr 20 min
Difficulty Hard

Ingredients 0/17

Why This Recipe Is So Flavorful

This dish combines the comforting layers of traditional lasagna with the fresh, delicate flavors of crab and spinach. It’s a unique twist that feels both elegant and hearty, perfect for special occasions or a cozy family dinner.

Helpful Cooking Tips

- Make sure to drain the spinach well to avoid a watery filling.
- Use fresh crab meat if possible for the best flavor, but good-quality canned crab works in a pinch.
- Let the lasagna rest for 10-15 minutes after baking to help it set and make slicing easier.

Step 1

Warm your oven to 350°F (175°C) and grease a 9x13-inch baking dish so nothing sticks. Bring a big pot of salted water to a boil and cook the spaghetti until it’s just tender but still has a bit of bite, about 10 minutes. Drain it, toss in some butter, and set it aside for now.

Step 2

While the pasta cooks, mix together the marinara sauce with spinach, chopped onion, mushrooms, tomato paste, garlic, a pinch of cayenne, parsley, salt, and pepper in a saucepan. Let it simmer gently, stirring now and then, so all those flavors meld.

Step 3

In a large bowl, combine the lump crab meat with ricotta, mozzarella, a cup of Parmesan-Romano cheese, eggs, and clam juice. Stir everything well until it’s nicely blended.

Step 4

Now for assembly: spread a thin layer of the sauce on the bottom of your baking dish. Layer some spaghetti over that, then spoon on some of the cheesy crab mixture. Keep layering like this until you’ve used everything, making sure the sauce tops it all off. Sprinkle the top with the remaining Parmesan cheese.

Step 5

Bake it uncovered for about 35 minutes, until the crab turns pink and the cheese is bubbling and melted. Let it sit for 10 minutes before serving so it can set up a bit. Enjoy!

How To Enjoy This Dish

Serve with a simple green salad dressed in lemon vinaigrette to brighten the meal. A crisp white wine or sparkling water with a slice of lemon pairs nicely with the rich crab filling.

Storing This Dish

Store leftovers in an airtight container in the refrigerator for up to 3 days. Reheat gently in the oven or microwave to keep the layers intact. This dish also freezes well—wrap tightly and freeze for up to 2 months, then thaw overnight before reheating.
107
people cooked this recipe
LB
By Lucas Bennett
Food Writer
Lucas creates approachable recipes that balance flavor, simplicity, and reliability.

Heart icon Nutrition Facts

450 Calories
Fat
15 g
Carbs
50 g
Protein
30 g
Fiber
5 g
Sugar
10 g
Sodium
800 mg
Serving Size: 1 serving
*Nutrition values are estimates and may vary.

Reviews (8)

4.9 out of 5
★★★★★
8 Ratings
5 star
7
4 star
1
3 star
0
2 star
0
1 star
0

Rate This Recipe

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User Reviews

Mateo
★★★★★
Mar 21, 2026
The layered noodles with crab and spinach were a winner. A bit time consuming but worth it. My guests were impressed!
Pavel S.
★★★★★
Mar 11, 2026
The recipe was easy to follow and turned out rich and creamy. Used fresh crab meat; definitely a winner at home.
David
★★★★★
Mar 08, 2026
Was worried it’d be complicated, but this was pretty straightforward. The crab flavor really shines through, will make again.
Yusuf
★★★★★
Feb 26, 2026
Love the spinach and crab combo. Turned out great, my wife was pleasantly surprised. Definitely on our dinner rotation now.
Ingrid
★★★★☆
Feb 16, 2026
It tasted amazing but was kinda hard to serve neatly. Next time I’ll try using a smaller dish.
Carlos
★★★★★
Feb 04, 2026
Made this for guests and got lots of compliments. The crab and spinach combo is a winner—will make again!
Enzo R.
★★★★★
Jan 20, 2026
Honestly, I was surprised how easy this was. The crab filling is creamy and really delicious. Got compliments from my guests!
Ravi P.
★★★★★
Jan 18, 2026
Turned out creamy and delicious. I added some extra spinach for texture, made it even better. Will cook again soon.
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