Creamy-Baked-Tilapia-Spinach-Casserole

This Creamy Baked Tilapia and Spinach Casserole is the EASIEST dinner! Everything goes into the oven raw and bakes in 10 minutes! It’s creamy, cheesy and packed with spinach!

This Tilapia Spinach Recipe is one of our most popular posts! Pinned 30k times it has earned many rave reviews and I think I know why! It’s the EASIEST Dinner to throw together! This tilapia and spinach casserole gets layered raw into a baking dish and baked to readiness in as fast as 10 mintutes! A big thanks to Lilia, who shared this recipe with me!

Check out our Creamy Spinach Chicken for the chicken version!

Baked-Tilapia-Spinach-Casserole

Ingredients for baked tilapia:

  • 5 tilapia fillets (1lb)
  • 8 oz bag of fresh spinach
  • 3 tbsp butter, sliced
  • 1 cup shredded Monterey jack cheese

Ingredients to make sauce for baked tilapia:

  • 1/2 cup mayonnaise
  • 1/2 cups grated parmesan cheese
  • 2 cloves garlic, crushed
  • 1/2 cup sour cream
  • 1 tsp old bay seasoning
  • 1/2 tsp adobo seasoning
  • 1/4 tsp black pepper
  • 1/4 tsp salt

creamy-baked-tilapia-spinach-casserole-step-ingredients

NOTE: Use as much spinach as you can pack into your baking dish because spinach does shrink quite a bit.

1. First, pack spinach onto the bottom of a baking dish. Top with butter slices and layer the fish fillets over the top

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creamy-baked-tilapia-spinach-casserole-step-1creamy-baked-tilapia-spinach-casserole-step 2

2. Then, combine the sauce ingredients and evenly spread over the top of the casserole. Finally, sprinkle with cheese and bake in a preheated to 500 degrees F oven for 10 minutes.

Note: The thicker the fish fillets the longer you may need to bake your fish.

creamy-baked-tilapia-spinach-casserole-step-3

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Creamy-Baked-Tilapia-Spinach-Casserole

Creamy Baked Tilapia Spinach Recipe

Prep Time: 5 minutes
Cook Time: 10 minutes
Total Time: 15 minutes
Servings: 8 servings
Author: Alyona's Cooking
This Creamy Baked Tilapia Spinach Casserole is the EASIEST seafood dinner! Everything goes into the oven raw and bakes in 10 minutes! It's creamy, cheesy and packed with spinach!

Ingredients

Baked Spinach and Tilapia:

  • 5 tilapia fillets 1lb
  • 8 oz fresh spinach
  • 3 tbsp butter sliced
  • 1 cup Monterey jack cheese (shredded)

CREAMY SAUCE:

  • 1/2 cup mayonnaise
  • 1/2 cup sour cream
  • 1/2 cups grated parmesan cheese
  • 2 cloves garlic crushed
  • 1 tsp old bay seasoning
  • 1/2 tsp adobo seasoning
  • 1/4 tsp black pepper
  • 1/4 tsp salt

Instructions

How to make Creamy Tilapia and Spinach:

  • Pack spinach onto the bottom of a baking dish. Top with butter slices and layer the fish fillets over the top.
  • Then, combine the sauce ingredients and evenly spread over the top of the casserole.
  • Finally, sprinkle with cheese and bake in a preheated to 500°F oven for 10 minutes.
  • Enjoy

Nutrition per serving

Serving: 1servingSodium: 460mgCalcium: 236mgVitamin C: 8mgVitamin A: 3058IUSugar: 1gFiber: 1gPotassium: 530mgCholesterol: 96mgCalories: 351kcalTrans Fat: 1gSaturated Fat: 10gFat: 26gProtein: 29gCarbohydrates: 2gIron: 2mg

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125 comments

    • Karen Kirk

    My husband loves this casserole! I reduced the oven temperature to 350 degrees, and bake for 25 minutes. I also added some lemon juice to the sauce. Always turns out great!

      • Alyona

      Thank you for the feedback, Karen!

    • Ann

    Made this and the whole family loved it. My granddaughter took a bite and said “oh my gosh this is so good!” Definitely a keeper. Could you use cod fillets with this?

      • Alyona

      Absolutely! I’m so happy to hear!

    • Janice

    I made this for the first time tonight and my family loved it. It’s a simple meal, but packs a lot of flavor. I did not have fresh tilapia, so I used a 2lb bag of frozen tilapia fillets. I did thaw it out the night before and followed the recipe. I used cajun seasoning instead of old bay and mozzarella instead of Monterey Jack because that’s what I had. I baked it in the preheated 500 degree oven for 10 minutes as stated in the recipe, but the fish wasn’t cooked all the way. I lowered the heat to 385 and baked it for another 20 minutes which was perfect. This is definitely going to be a staple recipe in my household.

      • Alyona

      Oh good, Janice! Thanks for the tips!

    • Cindi

    Family loved this! The only change I made was the spice. (I don’t do hot spices.) I don’t have Old Bay seasoning or Adobo seasoning so I used chili powder.

      • Alyona

      Thanks for the tip, Cindy!

    • Bella Marie

    Love this recipe. It was delicious.

      • Alyona’s Cooking

      Thank you for the feedback, Bella!

    • Tamra Zebovitz

    This was a fabulous recipe! It was very easy and was one of the best tilapia recipes we’ve tried. The fish was moist and perfectly cooked. We will keep this one for future! Easy and quick last-minute dinner solution.

      • Alyona’s Cooking

      Wonderful! So glad to hear!

    • Betsy

    Super easy and completely delicious! I was able to substitute plain yogurt for some of the sour cream and mayonnaise and it still tastes great but with less fat/calories. Good enough to serve to company and get rave reviews, which we have done!

      • Alyona’s Cooking

      That’s wonderful to hear, Betsy! Thanks for the low calorie tip!

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