Traditional Greek Salad (Horiatiki)

Ingredients

• 4 large ripe tomatoes, cut into irregular wedges
• 1 English cucumber, cut into thick half-moons
• 1 green bell pepper, cored and sliced into rings
• 1/2 medium red onion, thinly sliced into rings
• 1/2 cup Kalamata olives (about 15-20), with pits
• 200g (7 oz) block of good Greek feta cheese
• 1 teaspoon dried oregano
• 1/4 cup extra virgin olive oil
• 1 tablespoon red wine vinegar (optional)
• Salt
• freshly cracked black pepper
• Crusty bread, for serving