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Cook the Potatoes:
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Boil the potatoes in salted water until tender but firm (15–20 minutes). Drain and let cool.
 
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Prepare the Eggs:
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Boil eggs for 10 minutes, then cool, peel, and slice or halve them.
 
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Make the Vinaigrette:
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Whisk together olive oil, lemon juice, mustard, garlic, salt, and pepper until emulsified.
 
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Assemble the Salad:
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In a large bowl, gently mix the cooled potatoes, tuna, and olives.
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Drizzle with the vinaigrette and toss lightly to coat.
 
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Top with boiled eggs and sprinkle with parsley.
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Serve at room temperature or slightly chilled.
 
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Notes:
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Prep Time: 15 min
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Cook Time: 20 min
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Servings: 4
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Calories per serving: ~300 kcal
 
Variation Tip: Add diced cucumbers or capers for extra crunch and flavor!