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A freshly made sardine sandwich, sliced and served with lemon and mustard."

The Ultimate Sardine Sandwich Guide: Easy, Tasty, and Nutritious

This easy and delicious sardine sandwich is packed with bold flavors, heart-healthy omega-3s, and essential nutrients. Perfect for a quick lunch or a protein-packed snack, this recipe combines the rich taste of sardines with fresh ingredients to create a satisfying meal. Whether you’re a seafood lover or new to sardines, this sandwich is a must-try!

  • Total Time: 10 minutes
  • Yield: 1 sandwich 1x

Ingredients

Scale

  • 1 can sardines (packed in oil or water)

  • 2 slices sourdough or whole grain bread

  • 1 tbsp mayonnaise or mashed avocado

  • 1/2 tsp Dijon mustard

  • 2 slices tomato

  • 1/4 cup arugula or lettuce

  • 1 tbsp red onion, thinly sliced

  • 1 tsp capers (optional)

  • A squeeze of fresh lemon juice

  • 1 tbsp olive oil (optional, for drizzling)

  • Black pepper to taste

Instructions

  1. Toast the bread until golden brown for added crunch and flavor.

  2. In a small bowl, mash the sardines with mayonnaise (or avocado) and Dijon mustard.

  3. Spread the sardine mixture evenly onto one slice of bread.

  4. Top with tomato slices, arugula, red onion, and capers (if using).

  5. Squeeze fresh lemon juice over the ingredients and drizzle with olive oil if desired.

  6. Sprinkle with black pepper to taste.

  7. Place the second slice of bread on top, cut in half, and serve immediately.

Notes

  • For a healthier version: Use whole grain bread and swap mayo for Greek yogurt or hummus.

  • For extra crunch: Add sliced cucumbers or shredded cabbage.

  • French-inspired twist: Use a baguette, swap mayo for butter, and add cornichons.

  • Storage: Best enjoyed fresh, but you can store the sardine mixture in the fridge for up to 2 days.

  • Author: Recipes Gather
  • Prep Time: 10 minutes
  • Cook Time: 0 minutes
  • Category: Lunch, Snack
  • Cuisine: Mediterranean

Nutrition

  • Serving Size: Serves 1
  • Calories: 350 kcal
  • Sugar: 3g
  • Sodium: 480mg
  • Fat: 18g
  • Saturated Fat: 3.5g
  • Unsaturated Fat: 12g
  • Trans Fat: 0g
  • Carbohydrates: 28g
  • Fiber: 4g
  • Protein: 20g
  • Cholesterol: 45mg

Keywords: Sardine Sandwich