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Home » Tuna Casserole For Dogs

Tuna Casserole For Dogs

Renee Dobbs · September 4, 2025 · Leave a Comment

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Homemade tuna casserole for dogs ingredients and the finished dish.
Homemade tuna casserole for dogs in a small and large bowl.
Homemade tuna casserole for dogs in a small bowl.
Homemade tuna casserole for dogs in bowls.
Tuna casserole for dogs in a large bowl.

Tuna casserole isn’t just for people anymore! This dog-friendly version is made with real, wholesome ingredients your pup will love. It’s creamy, fishy, and full of flavor, but made without the seasoning or extras you’d find in a traditional human version. Whether you’re serving it up for a special occasion or just want to treat your dog to something a little extra, this no-bake meal is a fun way to mix things up.

Homemade tuna casserole for dogs in a bowl.

Why You Will Love This Recipe

Making a special meal for your dog is such a rewarding experience. You get to see their tail wag and hear that happy slurp as they dive into a dish made just for them. And there are so many reasons this tuna noodle casserole will be a new favorite:

Easy to Make – There’s nothing complicated here. Just cook some pasta, stir everything together, and dinner is done!

No-Bake Casserole – This one skips the oven completely. Perfect when you want something quick without heating up the kitchen.

Wholesome Ingredients – Each ingredient is simple and nourishing. There are no fillers, preservatives, or mystery stuff.

Simple to Customize – You can easily switch up the pasta, veggies, or protein based on what you have and what your dog likes.

Irresistible Fish Flavor – If your dog loves the smell of fish, this casserole is going to be a total hit. It’s packed with tuna flavor that dogs find hard to resist.

Homemade tuna casserole for dogs in bowls on a marble surface.

Ingredients and What They Bring to the Dish

Here’s what goes into this easy dog-friendly casserole and why each ingredient is a great addition:

  • Canned Tuna in Water – A lean protein packed with omega-3s, vitamins, and minerals.
  • Gluten-Free Pasta – Gentle on sensitive tummies and provides satisfying texture and carbs.
  • Frozen Green Peas – Add a little color, texture, and fiber.
  • Low-Fat Cottage Cheese – Creamy and full of protein and calcium.
  • Water – Used to cook the pasta.
Tuna casserole for dogs ingredients on a marble surface.

Ingredient Notes and Substitutions

When making this recipe, here are a few tips and easy swaps to keep in mind:

  • Tuna – You can use canned salmon or other plain cooked meat like chicken, turkey, and lamb instead.
  • Pasta – Any short pasta shape or noodles will work. You can use regular pasta if your dog doesn’t have a wheat allergy or gluten intolerance.
  • Peas – Try broccoli or green beans if you’re out of peas or want to mix it up.
  • Cottage Cheese – Plain low-fat Greek yogurt is a great substitute.

How to Make Tuna Casserole For Dogs

This dog-friendly take on tuna noodle casserole comes together in just a few easy steps:

  1. Bring 4 cups of water to a boil in a pot over high heat.
  2. Add the pasta, reduce heat to medium/low, and boil for about 10 minutes or until the pasta is tender.
  3. Rinse and drain the pasta, then let it cool completely.
  4. Drain the canned tuna and place it in a large bowl.
  5. Add the peas, cottage cheese, and cooled pasta to the bowl.
  6. Stir everything together until well mixed.
Making tuna casserole for dogs.

Important Note About Tuna and This Food

Tuna is rich in nutrients like protein, omega-3 fatty acids, vitamin B12, selenium, and niacin. However, it also tends to contain higher levels of mercury compared to other fish. According to PetMD, tuna should only be given to dogs in moderation.

This recipe is intended as an occasional meal or special treat and not a regular part of your dog’s diet.

How to Store the Food and How Long It Will Last

Store leftovers in an airtight container in the refrigerator for up to 4 days.

For longer storage, freeze the casserole in individual portions using freezer-safe containers or plastic bags. It will last up to 3 months in the freezer. Thaw overnight in the fridge before serving.

You can warm it slightly in the microwave before serving, but make sure it’s not hot.

Is this recipe suitable for puppies?

No. Do not feed tuna to puppies. Their developing systems are more sensitive to mercury, and even small amounts could be harmful.

Can people eat this food?

Yes, everything in it is safe for human consumption. You may want to add a little seasoning to your portion, but there’s no reason you can’t give it a taste!

Homemade tuna casserole for dogs in a large and small bowl.

More Dog Food Recipes

Do you want to spoil your dog with some more homemade meals? Try these recipes:

  • Chicken Casserole
  • Fish Stew
  • Ground Lamb Dog Food
  • Homemade Fish Dog Food
  • Salmon Dog Food

Find lots of easy dog food recipes right here on Spoiled Hounds!

Homemade tuna casserole for dogs in a bowl.
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Tuna Casserole for Dogs

Whip up this simple tuna noodle casserole for your dog using just a few simple ingredients. It’s creamy, fishy, and full of wholesome goodness.
Course Dog Food
Cuisine Pet
Prep Time 5 minutes minutes
Cook Time 10 minutes minutes
Total Time 15 minutes minutes
Servings 5
Calories 127kcal
Author Renee Dobbs

Ingredients

  • 4 cups water
  • 1 1/2 cups gluten-free rotini or fusilli pasta or noodles
  • 1 5-ounce can tuna in water
  • 1 cup frozen green peas
  • 1/2 cup low-fat cottage cheese

Instructions

  • Bring water to a boil in a pot over high heat. Add the pasta to the boiling water, then reduce heat to medium/low to maintain a steady boil. Cook for 10 minutes or until the pasta is tender. Rinse and drain the pasta, and allow it to cool completely.
  • Drain the tuna and place it in a large bowl.
  • Add the pasta, peas, and cottage cheese. Stir until combined.
  • Store in an airtight container in the fridge.

Nutrition

Calories: 127kcal | Carbohydrates: 18g | Protein: 11g | Fat: 1g | Saturated Fat: 0.4g | Polyunsaturated Fat: 0.1g | Monounsaturated Fat: 0.1g | Cholesterol: 11mg | Sodium: 175mg | Potassium: 140mg | Fiber: 2g | Sugar: 2g | Vitamin A: 247IU | Vitamin C: 12mg | Calcium: 32mg | Iron: 1mg

Serving Amount

The amount of food to feed your dog depends on size, breed, activity level, and overall health. A general guideline is 1 cup of food for every 20 pounds of body weight, but then goes down as the weight increases. Most dogs need 2-3% of their body weight in food daily. For personalized feeding advice, it’s always best to consult with your veterinarian.

And don’t forget, when introducing any new food, start with a small amount to make sure your dog tolerates it well.

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Renee, Luke, Callie, and Milo

Hey! I'm Renee and these are my hounds, Luke, Callie, and Milo. Here you can find dog treat and food recipes, dog tips, and info. Read more about Spoiled Hounds.

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