KETO TUNA STUFFED AVOCADO BOATS

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Keto Tuna Stuffed Avocado Boats Recipe

A quick, no-cook keto dinner packed with healthy fats and protein.

Key Info
  • Prep Time: 10 minutes
  • Total Time: 10 minutes
  • Servings: 4 (half avocado each)
  • Calories: 320 per serving
  • Fat: 28g
  • Protein: 15g
  • Net Carbs: 4g
  • Difficulty: Easy
  • Dietary: Keto, Low-Carb, Gluten-Free, Dairy-Free optional

Sunlit kitchen counter setup with fresh ingredients including avocados, canned tuna, bell peppers, red onions and lime, with a sharp knife on a wooden cutting board and prep bowls of seasonings.

Equipment Needed
  • Large mixing bowl
  • Fork for mixing
  • Sharp knife
  • Cutting board
  • (Alternative: Food processor for larger batches)
Ingredients

Base:

  • 2 ripe avocados (medium-sized)
  • 2 cans (5oz/142g each) albacore tuna in water, drained
  • 3 tbsp (45ml) mayonnaise or Greek yogurt
  • 1/4 cup (60g) red bell pepper, finely diced
  • 2 tbsp (30g) red onion, minced

Seasonings:

  • 1 tbsp (15ml) fresh lime juice
  • 1 tsp (5g) Dijon mustard
  • 1/2 tsp garlic powder
  • Salt and black pepper to taste

Optional Toppings:

  • Fresh cilantro
  • Cherry tomatoes
  • Jalapeños
  • Everything bagel seasoning

Hands skillfully slicing a ripe avocado revealing its green flesh and dark pit on a clean white marble surface

Method
  1. Halve the avocados lengthwise and remove pits. Scoop out some flesh, leaving a 1/4-inch border.
  2. Place removed avocado flesh in mixing bowl.
  3. Add drained tuna, mayonnaise, diced pepper, and onion.
  4. Mix in lime juice, mustard, and seasonings until well combined but still chunky.
  5. Taste and adjust seasoning.
  6. Fill avocado boats with tuna mixture.
  7. Top with chosen garnishes.

Mixing flaked tuna, diced red peppers, and minced onions with mayonnaise in a glass bowl

Crucial Tips
  • Choose slightly firm avocados – too ripe will be mushy.
  • Drain tuna thoroughly to prevent watery filling.
  • Don’t overmix – keep some texture.
  • Brush exposed avocado with lime juice to prevent browning.

Hands filling hollowed avocado halves with chunky tuna mixture on a dark slate serving plate

Storage & Prep
  • Best eaten immediately.
  • Can store filling separately for up to 2 days.
  • Prepare filling ahead, cut avocados just before serving.
  • Double recipe easily for meal prep.
Variations
  • Swap tuna for canned salmon.
  • Add diced cucumber for extra crunch.
  • Use spicy mayo for kick.
  • Mix in chopped bacon bits.
Common Mistakes to Avoid
  • Using overripe avocados.
  • Skipping the lime juice (prevents browning).
  • Over-seasoning (taste as you go).
  • Making too far in advance.

Stuffed avocado boats garnished with cilantro, cherry tomatoes, and everything bagel seasoning under soft side lighting

This recipe is perfect for busy weekday lunches or light dinners when you need something satisfying but don’t want to cook. The combination of healthy fats from avocado and protein from tuna will keep you full for hours while staying strictly keto-friendly.

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