Ingredients

• 2 tablespoons olive oil
• 1 teaspoon dried oregano (Mediterranean is best)
• 1 (1 lb) can tomato sauce
• 1 (1 lb) can tomatoes, diced
• 1 teaspoon sugar
• 1/2 cup kalamata olive, pitted and sliced
• 1/2 cup fresh parsley, minced
• 1 tablespoon red wine vinegar
• 3/4 lb spaghetti, cooked al dente
• 1 cup feta cheese, crumbled
• 1 garlic clove, minced
• fresh ground pepper
• 1/2 cup green onion, sliced
• 1/2 lb mushroom, sliced