Easy 5-Ingredient Oven-Baked Tuna Recipe
Looking for a quick and easy tuna recipe that’s both budget-friendly and delicious? This oven-baked canned tuna dish is the perfect lazy weeknight dinner when you want something warm, hearty, and satisfying without spending hours in the kitchen.
Made with just 5 simple pantry ingredients, this baked tuna recipe transforms basic canned tuna into a creamy, flavorful meal your whole family will love. It’s a true dump-and-bake dinner no complicated prep, no fuss, just pure comfort food!
Why You’ll Love This Recipe
- Super easy to make perfect for beginners
- Budget-friendly meal using pantry staples
- High in protein thanks to canned tuna
- Quick dinner idea ready in under 30 minutes
- Minimal cleanup with one baking dish
- Great for busy weeknights or last-minute meals
Ingredients
- 2 (5-ounce) cans tuna (in water or oil, undrained)
- 2 tablespoons mayonnaise
- 1 tablespoon yellow mustard
- 1 teaspoon garlic powder
- 1 teaspoon dried Italian seasoning (or parsley/oregano)
How to Make Oven-Baked Tuna
- Preheat the oven
Set your oven to 375°F (190°C) and place the rack in the center. - Prepare the baking dish
Use an 8×8-inch glass baking dish or similar oven-safe dish. - Add the tuna
Open the cans and do not drain. Gently slide the tuna into the dish, keeping the shape intact if possible. Pour in all the liquid it adds flavor and keeps the tuna moist. - Arrange the tuna
Place the tuna pieces side by side, leaving a bit of space around them. - Make the creamy sauce
In a small bowl, mix:- Mayonnaise
- Mustard
- Garlic powder
- Italian seasoning
Stir until smooth and creamy.
- Top the tuna
Spoon the mixture evenly over the tuna, covering the tops and sides. - Bake
Place in the oven and bake for 18–22 minutes, until:- The tuna is heated through
- The sauce is bubbling
- The edges are slightly golden
- Rest and serve
Let it rest for 3–5 minutes, then spoon the flavorful juices over the tuna before serving.
Serving Ideas
This easy baked tuna dish pairs perfectly with:
- Buttered rice
- Mashed potatoes
- Egg noodles
- Toasted bread or sandwich buns
- Steamed vegetables (green beans, carrots, or salad)
Tips & Variations
- Kid-friendly version: Skip mustard and use only mayo + a pinch of sugar
- Add cheese: Sprinkle cheddar or Parmesan in the last 5 minutes
- Extra crunch: Add breadcrumbs on top before baking
- Spicy kick: Add red pepper flakes or black pepper
- Add veggies: Include sliced onions or bell peppers in the dish
Helpful Cooking Tips
- Always use fresh, undamaged canned tuna
- Ensure the tuna is hot and steaming before serving
- Let the dish cool slightly to avoid hot splashes
- Use oven mitts when handling the hot dish
