Ingredients

• 3/4 pound green beans, trimmed and snapped in half
• 1 (12 ounce) can solid white albacore tuna, drained
• 1 (16 ounce) can Great Northern beans, drained and rinsed
• 1 (2.25 ounce) can sliced black olives, drained
• 1/4 medium red onion, thinly sliced
• 1 teaspoon dried oregano
• 6 tablespoons extra-virgin olive oil
• 3 tablespoons lemon juice
• 1/2 teaspoon finely grated lemon zest
• Salt and ground black pepper, to taste
• 4 large hard-cooked eggs, peeled and quartered