How many servings does this recipe make?

This recipe makes 4 servings. You can adjust the portion size directly on this page.

What ingredients do I need for Tuna Squares?

You need 10 ingredients. The key ingredients include: 2 c. Bisquick, 1/2 c. water, 2 cans tuna (6 1/2 oz. each), 1 1/2 c. shredded Swiss cheese, and more.

Is Tuna Squares suitable as seafood?

Yes, Tuna Squares falls under the Seafood category and is a great choice for this type of meal.

How do I store leftover Tuna Squares?

Store leftovers in an airtight container in the refrigerator for up to 3–4 days. Reheat gently before serving.

Tuna Squares Recipe

Name: Tuna Squares
Prep time: 15 min
Cook time: 30 min
Total time: 45 min
Yield: 4 servings
Ingredients: 2 c. Bisquick; 1/2 c. water; 2 cans tuna (6 1/2 oz. each); 1 1/2 c. shredded Swiss cheese; 1/2 c. chopped celery; 1/3 c. chopped green onions; 1/3 c. mayonnaise; 1/2 tsp. Worcestershire sauce; 1/4 tsp. salt; 1/8 tsp. pepper

Try this homemade Tuna Squares recipe the whole family will love. Made with Bisquick, water, tuna and Swiss cheese. Easy step-by-step instructions inclu…

This Tuna Squares relies on simple, everyday ingredients such as bisquick, water, tuna (6 1/2 oz. each) and shredded swiss cheese. It comes together quickly and makes 4 servings, at about 743 kcal each. The step-by-step instructions below are written to be easy to follow, even on a busy day.

It's versatile enough for an easy weeknight dinner yet satisfying enough for guests at the weekend. Serve it with your favorite sides, and keep any leftovers for a quick meal the next day.

Updated Jun 30, 2026

Serves 4 Seafood

Tips for the best results

Read through all the steps once before you start and measure out your ingredients first — it makes everything go more smoothly.
Taste as you go and adjust the seasoning before serving.
Avoid overcrowding the pan — cook in batches if needed for the best texture.
Let the dish rest for a few minutes before serving so the flavors settle.
Store leftovers in an airtight container in the fridge and enjoy within a few days.

Variations & substitutions

Feel free to swap in similar ingredients you already have on hand and adjust seasoning to taste.

No specific allergen information. Please check the ingredient list for possible allergens.

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Tuna Squares

Tips for the best results

Variations & substitutions

My Personal Notes

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