Ingredients

• 1 medium red or yellow tomato, chopped or cut into small wedges
  
• 1 medium cucumber, peeled into alternate strips and sliced (1-3/4 cup)
  
• 2 medium red onions, thinly sliced (1 cup)
  
• 1/3 cup coarsely chopped red, orange, and/or green sweet pepper
  
• 1/4 cup pitted Kalamata olives
  
• 4 ounces feta cheese, cut into 1/2-inch cubes
  
• 2 tablespoons red wine vinegar
  
• 2 tablespoons extra-virgin olive oil
  
• 1 tablespoon snipped fresh oregano
  
• Salt and ground black pepper