Why You’ll Love This Recipe
Tuna Tostadas are the perfect balance of fresh, savory, and spicy. The combination of tuna, corn, and vegetables is light yet filling, and the tang of lime and heat from the hot sauce adds an exciting kick to each bite. They’re quick to make, requiring only 10 minutes of prep time, making them ideal for a weeknight dinner or a weekend lunch. Plus, they’re versatile—you can serve them as tostadas or in taco shells depending on your preference!
Ingredients
(Tip: You’ll find the full list of ingredients and measurements in the recipe card below.)
- 3 (5 ounce) cans solid white tuna packed in water, drained
- ½ (10 ounce) can sweet corn, drained
- ½ onion, finely chopped
- 1 bunch cilantro, finely chopped
- 2 tablespoons salsa
- 1 lime, juiced
- Hot sauce to taste
- Salt and pepper to taste
- Sour cream, for topping
- 8 tostada shells

Directions
- In a bowl, flake the tuna with a fork.
- Stir in the drained corn, finely chopped onion, cilantro, salsa, and lime juice. Season with a few dashes of hot sauce, salt, and pepper to taste. Mix everything well to combine.
- Spoon the tuna mixture onto the tostada shells.
- Top each tostada with a dollop of sour cream and an extra splash of hot sauce, if desired.
- Serve immediately and enjoy!
Servings and Timing
- Servings: 8
- Prep time: 10 minutes
- Total time: 10 minutes
Variations
- Add Avocado: For extra creaminess, add some sliced avocado on top of the tuna mixture before serving.
- Spicy Version: Add more hot sauce or diced jalapeños to increase the heat.
- Taco Shell Option: If you prefer tacos over tostadas, simply serve the tuna mixture in soft or hard taco shells.
- Vegetarian Version: Replace the tuna with black beans for a vegetarian alternative.
Storage/Reheating
- Storage: Store leftover tuna mixture in an airtight container in the refrigerator for up to 2 days. The tostada shells should be stored separately to prevent them from getting soggy.
- Reheating: If you have leftover tuna mixture, you can serve it cold or at room temperature. Reheat the tostada shells in the oven for a few minutes to crisp them up before serving.
FAQs
1. Can I use a different type of tuna?
Yes, you can substitute albacore tuna with another variety, such as chunk light tuna, but albacore tends to have a milder flavor and firmer texture.
2. Can I make these ahead of time?
You can prepare the tuna mixture ahead of time and refrigerate it. Just assemble the tostadas right before serving to keep the shells crisp.
3. Can I add cheese to these tostadas?
Yes, you can add shredded cheese like cheddar or queso fresco on top for an extra creamy, cheesy texture.
4. How can I make this dish spicier?
You can add more hot sauce, diced jalapeños, or even a sprinkle of chili powder for an extra kick.
5. Can I use fresh corn instead of canned?
Yes, you can use fresh corn, but make sure to cook it and remove the kernels before adding it to the mixture.
6. Can I serve these with salsa?
Absolutely! These tostadas are perfect with a side of salsa for dipping.
7. What other toppings can I use?
You can top these tostadas with diced tomatoes, lettuce, or even pickled onions for extra flavor.
8. Can I use regular tortillas instead of tostada shells?
Yes, you can fry your own tortillas to make crispy tostada shells or use soft tortillas to make tacos instead.
9. How long will the tuna mixture keep in the fridge?
The tuna mixture can be stored in the refrigerator for up to 2 days, but it’s best to assemble the tostadas just before serving.
10. Can I use Greek yogurt instead of sour cream?
Yes, Greek yogurt can be used as a healthier alternative to sour cream for a creamy topping.
Conclusion
These Tuna Tostadas are a fresh, flavorful, and easy-to-make dish that’s perfect for any occasion. With the combination of tender tuna, sweet corn, and vibrant lime and cilantro, they offer a refreshing twist on traditional tostadas. Customize them with your favorite toppings and enjoy them as a quick meal or a fun appetizer!

Tuna Tostadas
- Total Time: 10 minutes
- Yield: 8 servings
Description
Tuna Tostadas are a light, refreshing dish made with albacore tuna, sweet corn, and fresh lime and cilantro. Topped with sour cream and hot sauce, these tostadas are quick to prepare and perfect for a summer meal or snack.
Ingredients
3 (5 ounce) cans solid white tuna packed in water, drained
½ (10 ounce) can sweet corn, drained
½ onion, finely chopped
1 bunch cilantro, finely chopped
2 tablespoons salsa
1 lime, juiced
Hot sauce to taste
Salt and pepper to taste
Sour cream, for topping
8 tostada shells
Instructions
- In a bowl, flake the tuna with a fork.
- Stir in the drained corn, finely chopped onion, cilantro, salsa, and lime juice. Season with hot sauce, salt, and pepper to taste. Mix well to combine.
- Spoon the tuna mixture onto the tostada shells.
- Top each tostada with a dollop of sour cream and extra hot sauce, if desired.
- Serve immediately and enjoy!
Notes
Add sliced avocado for extra creaminess.
For a spicier version, add diced jalapeños or more hot sauce.
If you prefer tacos, serve the tuna mixture in soft or hard taco shells.
For a vegetarian version, replace the tuna with black beans.
- Prep Time: 10 minutes
- Cook Time: undefined
- Category: Snack/Main Dish
- Method: Assembly
- Cuisine: Mexican
Nutrition
- Serving Size: 1 tostada
- Calories: 180
- Sugar: 2g
- Sodium: 450mg
- Fat: 9g
- Saturated Fat: 1g
- Unsaturated Fat: 8g
- Trans Fat: 0g
- Carbohydrates: 12g
- Fiber: 3g
- Protein: 14g
- Cholesterol: 20mg