Buona Beef Tuna Genovese Copycat Recipe – Easy, Authentic, Fantastic Flavor

Buona Beef Tuna Genovese Copycat Sandwich
Homemade Buona Beef Tuna Genovese copycat sandwich with authentic flavor.
Table of Contents

A Chicago Classic Brought Home

My first encounter with the Buona Beef Tuna Genovese copycat recipe goes back to a chilly Chicago night. While everyone at the table leaned toward the Italian beef, I decided to try the Tuna Genovese. That sandwich became unforgettable—the warm onions, tender tuna, and rich Genovese-style sauce all came together in a way that felt both comforting and bold. That memory is why I started experimenting at home, determined to master a Buona Beef Tuna Genovese copycat recipe that could bring the same joy to my kitchen.

Why This Copycat Recipe Works

What makes this Buona Beef Tuna Genovese copycat recipe shine is the slow-cooked onion sauce inspired by Neapolitan cooking. Pairing tuna with deeply caramelized onions creates a rustic yet refined flavor profile that’s just as satisfying as the original. With pantry staples, a little patience, and some kitchen love, you can recreate this Chicago favorite anytime. If you enjoy Italian-inspired meals like this, you’ll also appreciate my take on San Giorgio Lasagna or a quick pasta night with Blackstone Tortellini, both of which share that same heartwarming Italian comfort.

Ingredients and Preparation

Ingredients You’ll Need

The secret to making a Buona Beef Tuna Genovese copycat recipe lies in choosing simple, high-quality ingredients that bring out the comforting flavors of the original sandwich.

Ingredients for Buona Beef Tuna Genovese Copycat Recipe
Simple ingredients needed for Buona Beef Tuna Genovese copycat recipe.

Ingredients You’ll Need:

  • 4 large yellow onions, thinly sliced
  • 3 tablespoons olive oil
  • 3 cloves garlic, minced
  • 2 cans (5 oz each) tuna packed in olive oil
  • 2 tablespoons tomato paste
  • ½ cup white wine
  • 2 tablespoons fresh parsley, chopped
  • Salt and black pepper, to taste
  • 4 Italian rolls, split and ready for serving

Step-by-Step Preparation

Close-up of golden brown onions caramelizing in olive oil for Buona Beef Tuna Genovese copycat
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  1. Heat olive oil in a skillet and sauté onions slowly until golden and caramelized, about 25 minutes. This is the heart of the Buona Beef Tuna Genovese copycat recipe.
  2. Add garlic and cook for another minute, stirring constantly.
  3. Stir in tomato paste and cook briefly to deepen the flavor.
  4. Deglaze with white wine, letting it simmer until reduced by half.
  5. Stir in canned tuna, mixing gently so the chunks stay intact. Season with salt and black pepper.
  6. Spoon the mixture onto toasted Italian rolls, top with parsley, and serve hot.
Ultra-realistic close-up of tuna and tomato paste mixed with caramelized onions in a rustic skillet for Buona Beef Tuna Genovese copycat recipe
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If you’re a fan of easy weeknight dishes, this process is similar to how I prepare quick dinners like chicken foil packets or flavorful air fryer buffalo wings—both show that big flavor can come from simple steps.

: Hands filling Italian rolls with tuna and caramelized onion mixture for Buona Beef Tuna Genovese copycat sandwich
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Serving Ideas and Tips

How to Serve It Best

: Plated Buona Beef Tuna Genovese copycat sandwich cut in half to show tuna and onion filling, with parsley garnish and fresh salad on the side
buona beef tuna genovese, copycat sandwich recipe, Italian beef recipes, plated sandwich, food blog photography

The Buona Beef Tuna Genovese copycat recipe tastes incredible straight from the pan onto a toasted Italian roll. For that authentic Buona-style feel, serve it warm with the bread slightly crisp on the outside but soft inside. Add a side of pickled vegetables or a light green salad to balance the richness of the onion sauce. Many fans love pairing this sandwich with a simple pasta dish—something like a plate of penne pomodoro works perfectly and keeps the Italian comfort theme alive.

Tips for Leftovers and Storage

If you happen to have leftovers, store the tuna and onion mixture separately from the bread. Keep the filling in an airtight container in the fridge for up to three days. When reheating, warm it slowly on the stove so the onions retain their sweetness without burning. For a fun twist, you can also use the filling as a topping over rice or pasta, much like how I repurpose ingredients in recipes such as marry me chickpeas. It’s a creative way to stretch flavors while keeping meals exciting.

FAQ

What is the Buona Beef Tuna Genovese copycat recipe?

The Buona Beef Tuna Genovese copycat recipe is a homemade version of the Chicago-style sandwich that combines tuna with a slow-cooked onion sauce on Italian bread. It captures the comforting, hearty taste of the original Buona favorite but can be recreated in your own kitchen with everyday ingredients.

How close is the Buona Beef Tuna Genovese copycat recipe to the original?

When you caramelize the onions properly and use tuna packed in olive oil, the flavor comes strikingly close to the sandwich you’d order at Buona Beef. While nothing fully replaces the restaurant experience, this recipe delivers a taste that most fans agree is nearly identical.

What ingredients do I need for the Buona Beef Tuna Genovese copycat recipe?

To make this copycat dish, you’ll need yellow onions, olive oil, garlic, tuna in olive oil, tomato paste, white wine, parsley, salt, pepper, and Italian rolls. These ingredients come together to create the signature Genovese-style sauce and savory tuna filling.

Can I make the Buona Beef Tuna Genovese copycat recipe at home easily?

Yes, this recipe is straightforward. The only real effort lies in giving the onions time to slowly caramelize, which develops their sweet, deep flavor. Once that step is done, the rest comes together quickly, making it an easy dish to prepare in your own kitchen.

Conclusion

The Buona Beef Tuna Genovese copycat recipe is more than a sandwich—it’s a taste of Chicago comfort that you can enjoy without leaving home. By focusing on simple, high-quality ingredients and a bit of patience for the onion sauce, you’ll have a dish that feels authentic and satisfying. Whether you serve it with a crisp salad, pair it with pasta, or save the filling for creative leftovers, this recipe proves that restaurant favorites can live happily in your own kitchen.

Print
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Overhead styled recipe card shot of Buona Beef Tuna Genovese copycat sandwich on parchment paper with ingredients arranged around it, natural lighting

Buona Beef Tuna Genovese Copycat Recipe – Easy, Authentic, Fantastic Flavor


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  • Author: Elise
  • Total Time: 45 minutes
  • Yield: 4 servings

Description

A homemade Buona Beef Tuna Genovese copycat recipe with caramelized onions, tuna, and Italian rolls for authentic Chicago flavor.


Ingredients

4 large yellow onions, thinly sliced

3 tbsp olive oil

3 cloves garlic, minced

2 cans tuna in olive oil (5 oz each)

2 tbsp tomato paste

½ cup white wine

2 tbsp fresh parsley, chopped

Salt and black pepper to taste

4 Italian rolls, split


Instructions

1. Caramelize onions in olive oil for 25 minutes until golden.

2. Add garlic and cook briefly.

3. Stir in tomato paste and cook to deepen flavor.

4. Deglaze with white wine and reduce.

5. Mix in tuna gently, season with salt and pepper.

6. Serve warm on toasted Italian rolls with parsley garnish.

Notes

Serve with pickled vegetables or salad for balance.

Store filling separately in the fridge for up to 3 days.

Reheat slowly to preserve flavor.

  • Prep Time: 15 minutes
  • Cook Time: 30 minutes
  • Category: Sandwich
  • Method: Stovetop
  • Cuisine: Italian-American

Nutrition

  • Serving Size: 1 sandwich
  • Calories: 420
  • Sugar: 6g
  • Sodium: 480mg
  • Fat: 14g
  • Saturated Fat: 3g
  • Unsaturated Fat: 9g
  • Trans Fat: 0g
  • Carbohydrates: 45g
  • Fiber: 3g
  • Protein: 25g
  • Cholesterol: 28mg
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