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If you love a classic tuna salad but want a fresh, light, and flavorful twist, my Tuna Salad Apple Sliders are about to change the game! They’re packed with protein, naturally sweet, and have just the right amount of crunch. Oh, and did I mention how ridiculously easy they are to make?

A close-up of a plate with tuna salad served on apple slices. The tuna salad contains shredded tuna, diced celery, halved red grapes, and a creamy dressing. The apple slices are topped with fresh green spinach leaves before being layered with the tuna salad. In the background, more apple slice sliders with tuna salad are slightly blurred. The plate rests on a textured blue surface with a fringed napkin beside it.

Imagine crisp apple slices stacked with creamy, tangy tuna salad, crunchy walnuts, and delicious provolone cheese โ€” all in one perfect bite.

These sliders aren’t just delicious, they’re a fun, fresh, unexpected twist on a classic. Whether you’re looking for a quick lunch, an easy snack, or a light, nutritious meal, these sliders will be your new go-to.

โค๏ธ Why You’ll Love Tuna Salad Apple Sliders

  • High in protein โ€” Supports muscle growth and keeps you feeling full longer.
  • Rich in Omega-3s โ€” Promotes heart and brain health.
  • Nutrient-dense โ€” Ingredients like celery, onions, and leafy greens boost fiber, vitamins and antioxidants.
  • Versatile & nutritious โ€” A well-rounded meal that can be easily customized.
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A white oval plate with black trim holds several tuna salad apple sliders. Each slider consists of a round apple slice topped with fresh greens and a scoop of tuna salad mixed with grapes, celery, and walnuts. The plate is placed on a textured gray surface, with a linen napkin, a small dish of salt and pepper, and stacked ceramic plates with forks nearby.
Imagine crisp apple slices stacked with creamy, tangy tuna salad, crunchy walnuts, and delicious provolone cheese โ€” all in one perfect bite.

Ingredients

Greek Yogurt โ€” I always go for 2% Greek yogurt over non-fat or full-fat for the perfect balance of creaminess and protein.

Extra Yogurt Olive Oil โ€” A mild EVOO adds richness to the dressing without overpowering the other flavors.

Dijon Mustard โ€” Adds a subtle tang and depth, tying all the ingredients together.

Honey โ€” A touch of natural sweetness balances out the savory elements.

Champagne Vinegar or White Wine Vinegar โ€” Provides a bright, slightly acidic note to enhance the dressing.

Canned Tuna โ€” The star of the dish! Choose a high-quality tuna for the best flavor and texture.

A top-down view of various ingredients arranged on a textured light gray surface. A metal bowl contains shredded tuna. Surrounding it are small glass bowls filled with chopped celery, halved grapes, diced red onion, walnuts, olive oil, apple cider vinegar, lemon juice, Dijon mustard, and Greek yogurt. There are also whole apples, fresh greens, and slices of provolone cheese.
To make, youโ€™ll need tuna, celery, provolone cheese, walnuts, Dijon mustard, apples, red onions, grapes, EVOO, honey, Greek yogurt, and vinegar.

Celery โ€” Brings freshness and a satisfying crunch to every bite.

๐Ÿ‡Grapes โ€” I always choose grapes over cranberries. They add just the right amount of natural sweetness.

Walnuts โ€” Heart-healthy and packed with omega 3s, they add crunch, protein, and richness.

Red Onion โ€” Adds a sharp bite, but feel free to leave it out if onions don’t sit well with you.

๐ŸŽApples โ€” Crisp and slightly sweet, they complement the other ingredients beautifully.

Provolone โ€” An unexpected but delicious addition! Its creamy texture pairs perfectly with the apples and tuna salad.

How to Make Tuna Salad Apple Sliders

Start by preparing the tuna salad. In a large bowl, add the Greek yogurt, olive oil, mustard, honey, salt and vinegar. Whisk until smooth.

Open both cans of tuna and drain the excess water. Add the tuna, celery, grapes, walnuts, and red onion to the bowl with the dressing. Mix well to combine.

A clear glass mixing bowl holds a colorful combination of ingredients, including chopped walnuts, diced celery, halved red grapes, and finely diced red onion. The background is a neutral, textured surface.
Open both cans of tuna and drain the excess water. Add the tuna, celery, grapes, walnuts, and red onion to the bowl with the dressing. Mix well to combine.

Next, slice the apples into thin, even rounds, removing the core from each slice. These will serve as your vessel for your sliders.

Now, assemble the sliders. Top with provolone, watercress, and spoon a generous amount of tuna salad on to the apple slices. Enjoy!

Recipe Tip

  • Brush the apple slices with a little lemon juice to prevent browning.

How To Choose The Right Tuna

Canned tuna comes in a few varieties, each with its own benefits. The two main types are light tuna and white (albacore) tuna.

Light tuna, usually from smaller fish, has a softer texture, a milder flavor, and lower mercury levels, making it a better choice for regular consumption. White tuna, from albacore, is firmer, paler in color, and higher in omega-3s, but it also contains higher mercury levels.

You’ll also find tuna packed in either water or oil. Water-packed tuna is the leaner option, retaining more protein with fewer calories and unhealthy fats. Oil-packed tuna has a richer taste but comes with extra fats that may not fit a low-calorie diet. For the healthiest option, opt for light tuna in water, preferably from sustainable, low-mercury sources, ensuring both nutritional benefits and environmental responsibility.

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How to Slice an Apple Slider

Slicing apples for sliders is quick and easy, and with the right technique, you’ll get perfectly even rounds that will easily hold your tuna salad.

  1. Choose the right apple: Pick a firm, crisp apple like Honeycrisp or Pink Lady to ensure your slices hold their shape.
  2. Slice off the top and bottom: If you want perfectly even slices, trim a thin layer from the top and bottom of the apple for a flat base.
  3. Cut into rounds: Using a sharp knife, slice the apple horizontally into 1/4-inch thick rounds. Try to keep the slices uniform.
  4. Remove the core: If your apple has seeds in the center, use a round piping tip to cut out the core.

Recipe Tip

  • Pick the right apples โ€” Choose firm, crisp apples like Honeycrisp or Pink Lady for the best bite.
  • How to remove apple seeds โ€” Use the back of a piping tip to remove the seeds from each slice.

Substitutions

  • Tuna alternatives: Swap tuna for canned salmon, shredded chicken, or mashed chickpeas for a vegetarian option.
  • Greek yogurt alternative: Use mayo or a dairy-free yogurt for a different texture or flavor.

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How to Store Leftovers

Store any leftover tuna salad in an airtight container in the fridge for up to 3 days. Slice apples fresh when ready to serve!

Frequently Asked Questions

Can I make this tuna salad ahead of time?

Yes! The tuna salad can be made up to 2 days in advance. Store it in an airtight container in the refrigerator for the best freshness.

What type of apple works best for this recipe?

Crisp and slightly sweet apples like Honeycrisp, Fuji, or Pink Lady work best. If you prefer a more tart flavor, Granny Smith apples are a great option.

What can I use instead of apples for serving?

If you want a different base, try serving the tuna salad in lettuce cups, on cucumber slices, or in mini bell pepper halves.

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Tuna Salad, Provolone & Apple Sliders

If you love a classic tuna salad but want a fresh, light, and flavorful twist, my low-carb Tuna Salad, Provolone, and Apple Sliders are about to change the game! They're packed with protein, naturally sweet, and have just the right amount of crunch.
Prep Time: 20 minutes
Total Time: 20 minutes
Servings: 12 sliders
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Ingredients 

  • 2 large crisp apples
  • 1/4 cup low fat Greek yogurt
  • 1 1/2 tbsp olive oil
  • 2 tsp dijon mustard
  • 1 1/2 tbsp honey
  • 3/4 tsp salt
  • 1 1/2 tsp champagne vinegar or 1 tsp apple cider vinegar
  • 2, 10 ounces canned albacore tuna packed in water
  • 2 celery ribs diced
  • 1/2 cup seedless red grapes cut into 4ths
  • 1/3 cup chopped walnuts
  • 1/4 cup diced red onion
  • 12 slices provolone, cut to fit the apple slides
  • 1 cup watercress or micro greens

Instructions 

  • Slice apples into circles as shown and use the circular end of a piping tip to remove the seeds.
  • To a large bowl add Greek yogurt, olive oil, mustard, honey, salt, and vinegar. Whisk till smooth.
  • Open both cans of tuna then drain excess water.
  • Add tuna, celery, grapes, walnuts and red onion to the bowl with the dressing. Mix well to combine.
  • Top apple slides with provolone, watercress and tuna salad. Enjoy!!

Nutrition

Serving: 1“slider”, Calories: 174kcal, Carbohydrates: 9g, Protein: 13g, Fat: 10g, Saturated Fat: 4g, Polyunsaturated Fat: 2g, Monounsaturated Fat: 3g, Cholesterol: 25mg, Sodium: 403mg, Potassium: 164mg, Fiber: 1g, Sugar: 7g, Vitamin A: 205IU, Vitamin C: 2mg, Calcium: 161mg, Iron: 1mg

Nutrition information is automatically calculated, so should only be used as an approximation.

Tried this recipe?Mention @erekav or tag #cookingwithereka!

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Hey there, I'm Ereka!

Your weeknight dinner wingwoman. Welcome to my little nook of the internet, where you'll find fuss-free meals that are big on flavor!

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