Keto Tuna Salad Cups

Keto Tuna Salad Cups are a light yet satisfying low-carb meal or snack that is perfect for lunch, meal prep, or quick dinners. Creamy, flavorful tuna salad is served in crisp lettuce cups instead of bread, keeping the dish fresh, crunchy, and fully keto-compliant. This recipe is high in protein, rich in healthy fats, and extremely easy to prepare.

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Ingredients

For the Tuna Salad

• 2 cans (5 oz each) tuna in water or olive oil, drained very well
• 1/2 cup mayonnaise (full-fat, sugar-free)
• 1 tablespoon Dijon mustard
• 1 tablespoon lemon juice or apple cider vinegar
• 1/4 cup celery, finely diced
• 2 tablespoons red onion, finely diced
• 2 tablespoons dill pickles or pickle relish (sugar-free), finely chopped
• 1 tablespoon fresh parsley or dill, chopped (optional)
• 1/2 teaspoon salt (adjust to taste)
• 1/4 teaspoon black pepper
• 1/4 teaspoon garlic powder

For the Cups

• 1 large head romaine lettuce or butter lettuce
• Optional toppings: sliced avocado, chopped hard-boiled eggs, shredded cheese

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Equipment Needed

• Mixing bowl
• Fork or spatula
• Cutting board and knife

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Instructions

Step 1: Prepare the Tuna

1. Drain the tuna thoroughly to prevent a watery salad.
2. Place the tuna in a mixing bowl and flake it gently with a fork until evenly broken up.

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Step 2: Make the Dressing

1. Add mayonnaise, Dijon mustard, lemon juice, salt, black pepper, and garlic powder to the tuna.
2. Mix well until the tuna is evenly coated and creamy.

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Step 3: Add Crunch and Flavor

1. Stir in diced celery, red onion, chopped pickles, and fresh herbs if using.
2. Mix gently until all ingredients are evenly distributed.
3. Taste and adjust seasoning as needed.

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Step 4: Prepare the Lettuce Cups

1. Separate lettuce leaves carefully and wash them thoroughly.
2. Pat dry with paper towels to remove excess moisture.
3. Choose large, sturdy leaves for easy filling.

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Step 5: Assemble the Cups

1. Spoon the tuna salad into the center of each lettuce leaf.
2. Add optional toppings such as avocado slices, chopped eggs, or shredded cheese.

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Helpful Tips

• Butter lettuce provides a soft, flexible cup, while romaine adds extra crunch.
• For extra richness, add a tablespoon of cream cheese or sour cream to the tuna salad.
• If you prefer spice, add a pinch of cayenne pepper or a few drops of hot sauce.
• Use tuna packed in olive oil for higher fat content and deeper flavor.

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Serving Suggestions

• Serve as a light lunch with keto chips or cheese crisps
• Pair with sliced cucumbers or olives
• Use the tuna salad as a filling for avocado halves or low-carb wraps

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Storage and Meal Prep

• Store tuna salad in an airtight container in the refrigerator for up to 3 days
• Assemble lettuce cups just before serving to maintain crispness
• Do not freeze tuna salad, as the texture will change

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Why This Recipe Is Keto-Friendly

• No bread, crackers, or grains
• High in healthy fats from mayonnaise
• Very low net carbs
• Clean, simple ingredients