Tuna Panini with Grilled Onion and Hatch Chile

This easy tuna panini recipe is loaded with grilled onion and fire-roasted hatch chiles. The melty cheese and spice blend in with the tuna to make this the best tuna melt sandwich ever! Gluten Free Panini is so easy to make!

If you love panini sandwiches, you will love this Italian Panini recipe too. Whether you need a healthy gluten free lunch or a light dinner, this easy panini recipe has you covered!

Do you love grilled cheese sandwiches? My whole family has a weak spot for melty cheese! What about a tuna melt? Well, I combined all of your favorite things into one delicious tuna panini! What better way to celebrate Earth Day than a sustainable, delicious tuna panini sandwich?

If you love tuna as much as we do, give this delicious Curried Rainbow Chard Tuna Salad recipe a try too!

What kind of tuna is best in a tuna melt?

I always opt for sustainable brands of tuna.  When Wild Selections^® asked me to share their tuna fish with my readers, I was excited. Earth day is so important to bring awareness of our environment.

I am the one you see at the grocery store with the Safe Watch list out when I am at the seafood counter. Wild Selections^® seafood is all certified sustainable. This means that all Wild Selections^® seafood uses only Marine Stewardship Council (MSC) certified sustainable seafood.

Sustainable Tuna

Wild Selections^® even make a donation of 13 cents from every can sold to World Wildlife Fund (WWF) to benefit their sustainable fisheries programs and marine conservation efforts.

Wild Selections is the only brand to “pay it forward” and act on its belief to take care of the oceans for the future, not just fishing sustainably in the present.

The blue MSC eco-label tells you the fish in your can comes from well-managed fisheries and healthy fish stocks.  Where the fish is caught is much more critical than how it was caught (limited impact if the fish stock is overfished). This tuna is also Non-GMO Project Verified.

Let's get back to the melty cheese! When the tuna is combined with melty cheese, grilled onion, and the spicy hatch chiles...something magical happens.

(Note if you would like to see how to prepare fire-roasted hatch chiles, check out this easy video to show you how to fire roast them!)

What kind of cheese is best for a tuna melt?

For this panini, you can use a lot of different kinds of cheese. For my tuna melt panini, I used a flavorful Emmental cheese. It is such a versatile Swiss cheese and it was perfect to pair with tuna.

You can also use mozzarella, American, light cheddar, and muenster cheeses.

Panini is usually made with non-sandwich bread like sourdough, ciabatta, and focaccia. Unfortunately, we are gluten free and those breads are not often available in gluten free versions. I used gluten free bread that our family likes.

Are you ready to get cooking? These tuna melt panini sandwiches are so easy to make!

Instructions:

Add bread to a panini grill and add a layer of cheese. Add tuna salad on top. (If you don't have a panini grill, don't worry! You can make this panini recipe in a frying pan like a regular grilled cheese sandwich.)

• Just heat up a frying pan and put your butter side down bread on the pan so that the butter melts into the bread.
• Add your cheese, tuna salad, onion, and chiles.
• Put a piece of buttered bread on top with the butter side facing up.
• Cook until the underside is lightly brown.
• Flip it over to cook the other side.)
• It is ready when your cheese is all melted and your bread is golden on both sides.

Add fire-roasted hatch chiles and grilled onion on top of the tuna salad.

Do you have to use hatch chiles?

If you don't like spice, feel free to omit the hatch chiles. They are pretty spicy and I totally understand if spice isn't your thing!

What is the difference between a sandwich and a panini?

A sandwich is a very general term for bread and fillings (ie: peanut butter and jelly, grilled cheese, ham and cheese, etc.) A panini is a special type of sandwich that is made by cooking the sandwich in a hot panini press. This crisps the bread and melts the cheese in the sandwich.

More Delicious Hatch Chile Recipes to Try:

• Hatch Chile Hummus
• Slow Cooker Lamb and Hatch Chile Stew
• Eggs with Cheesy Hatch Chile Grits

📖 Recipe

Tuna Melt Panini with Grilled Onion and Hatch Chiles

Sandi Gaertner

Easy grilled cheese tuna melt panini full of sweet grilled onion and spicy hatch chiles.

5 from 7 votes

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Prep Time 10 mins

Cook Time 5 mins

Total Time 15 mins

Course Meal Recipes

Cuisine American

Servings 2 sandwiches

Calories 355 kcal

Ingredients

  

1x2x3x

• ▢ 4 slices bread
• ▢ 1 can tuna in water
• ▢ 1 tablespoon mayonnaise
• ▢ 2 tablespoons onion slices
• ▢ 4 slices Emmental cheese
• ▢ hatch chiles to taste
• ▢ salt and pepper to taste
• ▢ 1 teaspoon butter
• ▢ 1 teaspoon olive oil

Instructions

 

• Heat a panini grill, or a small frying pan over medium heat.
• Next, open tuna can and drain the water into the sink.
• Scoop the tuna into a bowl and add mayonaise, salt, and pepper. Mix well.
• In a small pan, add olive oil. Add onion and saute until golden.
• Prepare your hatch chiles. You can also use canned green chiles in the store if you prefer.
• Butter one side of each slice of bread. Put two slices butter side down on the pan.
• Add a slice of cheese to each slice of bread.
• Next, add a layer of tuna fish.
• Top the tuna with grilled onion and chiles.
• Add a slice of cheese on top. Cover with the top piece of bread. Make sure the butter side of this slice faces upward.
• Check the bottom slice of bread that is touching the heat. 
• When this slice looks golden, flip the sandwich with a spatula to cook the other side.
• This is ready when the cheese is all melted.

Notes

Hatch green chiles are optional if you don't like spice.

SPECIAL NOTE

Please know that every gluten free flour blend has a different starch to grain ratio. If you use a blend I didn't test, you may need to adjust your moisture levels in your baked goods.

Nutrition

Serving: 1gCalories: 355kcalCarbohydrates: 18gProtein: 30gFat: 18gSaturated Fat: 7gPolyunsaturated Fat: 9gCholesterol: 68mgSodium: 764mgFiber: 1gSugar: 3g

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Nutrition Disclaimer

Nutritional information is an estimate provided to you as a courtesy. You should calculate the actual nutritional information with the products and brands you are using with your preferred nutritional calculator.

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