Tuna casserole recipe with zoodles: easy and tasty

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80% Clean Eating Tuna Casserole – A Yummy and Lean Comfort Food

Are you looking for an easy tuna casserole recipe that can be ready within 30 minutes, then don't look any further. This version is low-carb as it takes out the pasta and some of the fat but keeps the flavor and satisfaction.

tuna casserole recipe

I present to you a creative tuna bake with an ingenious layer of zoodles (spiralized zucchini). More about my spiralizer you will learn at the end of this post.If you don't own a spiralizer you can use instead shredded zucchinis or zucchini slices for this comfort food.

Recipe for a creative tuna casserole with few ingredients

What I especially love about this casserole recipe – it needs just a few ingredients that most of us have always in our pantry or fridge – except for the zucchinis. Also like most of the other casserole recipes you could prepare it the evening before, keep it in your fridge and just bake it when you need it.

Clean Eating 80/20 & Convenience Food

In the world of “clean eating,” it’s up to you to choose how ‘clean’ you want to go. With my 80/20 approach to clean eating, I take advantage of some convenience foods like canned tuna or salmon in cans.

I know that most of the canned tuna is not BPA-free, but it is tasty and a quick way to get omega-3s. As this is a compromise I can live with, I feel canned tuna and salmon are worth building into my grocery list. Used in moderation they offer cooking shortcuts and add taste appeal.

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Tuna Casserole with Zoodles and Tomatoes

Tuna Casserole with Zoodles
  • Author: Gabi Rupp
  • Prep Time: 8
  • Cook Time: 22
  • Total Time: 30
Scale

Ingredients

  • 4 medium zucchini (spiralized or in slices)
  • 1 onion (diced)
  • 1 can tuna (6 oz.) water-packed, drained
  • 1 tetrapack box (ca. 16 oz) tomato paste
  • 8 oz/250 ml heavy cream
  • 1 tsp olive oil
  • 1 tsp thyme
  • 1/2 cup shredded cheddar cheese
  • salt and pepper to taste

Instructions

  1. Preheat oven to 350F/180°C.
  2. Sauté onions in hot olive oil until soft for 3 minutes.
  3. Add tuna, tomato paste, cream, thyme and stir until blended.
  4. Add salt and pepper to taste (don't go overboard!).
  5. Put zoodles into a 2 quart casserole or baking dish.
  6. Pour the sauce over the zoodles.
  7. Sprinkle with cheese and bake for 22 minutes, until the top starts to brown.
  8. Serve tuna bake hot.

Notes

  • Tip: When you season your tuna casserole recipe with salt and pepper keep in mind that canned food is usually high in sodium. So don't go overboard.

Nutrition

  • Serving Size: 4

 How to get the most Omega 3 fats from canned tuna

I recommend to always choose water-packed tuna rather than oil-packed. When you drain oil-packed tuna it could leach its precious omega-3s. This won't happen with water-packed tuna since oil and water don't mix.

How to make the zoodles

I've written a review about the wonderful tool I'm using for making zoodles or other spiralized vegetables. I think this spiralizer should not miss in any creative clean eating kitchen!

Click here to read my spiralizer review!

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