Greek Salad with Feta and Kalamata Olives

Ingredients

• 1 head of romaine lettuce, chopped
• 1 cucumber, sliced
• 1 red onion, sliced
• 1 green bell pepper, sliced
• 1 cup cherry tomatoes, halved
• 1/2 cup kalamata olives
• 4 oz feta cheese, crumbled
• 1/4 cup olive oil
• 2 tbsp red wine vinegar
• 1 tsp dried oregano
• Salt
• pepper