← BlogJune 28, 2026

How to Make the Perfect Microwave Tuna Melt

American · Easy · 6 min · 1 servings

dairy-free option
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A classic tuna melt reinvented as a fast microwave meal perfect for lunch or a quick dinner. This quick microwave version delivers gooey melted cheese and creamy tuna on toasted bread in under 10 minutes.

Why this recipe works

This Microwave Tuna Melt recipe has been crafted to deliver restaurant-quality results in your home kitchen. At just 6 minutes from start to finish, it fits perfectly into a busy schedule without sacrificing flavor. Each serving comes in at 390 calories with 28g of protein, making it a balanced choice for any meal.

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What you will need

This recipe uses 5 simple ingredients that you can find at any grocery store:

  • 1 5oz can tuna in water drained
  • 2 tbsp mayonnaise
  • 2 slices bread toasted
  • 2 slices cheddar cheese
  • 2 tbsp diced celery

Step by step instructions

Step 1: Make the Tuna Mixture

In a small bowl combine drained tuna, mayonnaise, and diced celery. Mix well until fully combined and season with salt and pepper to taste.

Step 2: Assemble the Melt

Spread the tuna mixture evenly onto the toasted bread slices. Top each slice with a piece of cheddar cheese.

Step 3: Melt the Cheese

Place assembled open-faced sandwiches on a microwave-safe plate. Microwave on high for 45 to 60 seconds until cheese is fully melted and bubbly. Serve hot.

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Easy substitutions

Missing an ingredient? Here are some swaps that work perfectly:

  • mayonnaise → Greek yogurt for a lighter version
  • cheddar cheese → Swiss or provolone cheese

Common mistakes to avoid

Watch out for these pitfalls that can affect your results:

  • Microwaving too long which makes the bread soggy and rubbery
  • Using bread that has not been pre-toasted resulting in a limp and unappetizing base

Nutrition facts

Per serving: 390 calories, 28g protein, 30g carbs, 16g fat, 2g fiber.

Ready to cook?

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