Greek Tuna Salad with Chickpeas and Feta

Ingredients

• 3 tablespoons olive oil
• 3 tablespoons lemon juice
• 1/4 teaspoon salt
• 1/4 teaspoon pepper
• 2 cans (15 ounces each) no-salt-added garbanzo beans, rinsed and drained
• 2 cans (4 ounces each) albacore white tuna in water, drained
• 1/2 cup chopped cucumber
• 1/2 medium red onion, chopped
• 1/2 cup crumbled feta cheese