Ingredients

• 1 cup olive oil
• 3 tablespoons red wine vinegar
• 3 tablespoons grated Parmesan cheese
• 2 tablespoons lemon juice
• 2 tablespoons finely chopped garlic
• 2 tablespoons dried oregano, or to taste
• 1 1/2 teaspoons dried basil
• 1 teaspoon salt, or to taste
• freshly ground black pepper to taste
• 2 heads romaine lettuce, chopped
• 2 large tomatoes, cut into wedges
• 1 large cucumber, cut into matchsticks
• 1 red onion, sliced
• 1 cup black olives
• 1/2 pound feta cheese, crumbled

Instructions

1. Blend olive oil, vinegar, Parmesan cheese, lemon juice, garlic, oregano, basil, salt, and black pepper together in a food processor until smooth.
2. Combine romaine lettuce, tomatoes, cucumber, red onion, black olives, and feta cheese together in large bowl. Drizzle dressing over vegetable mixture; toss to coat.