Ina Garten Greek Salad

For the Salad:

• 1 cucumber peeled, seeded and sliced
• 1 red bell pepper diced
• 1 yellow bell pepper diced
• 1 pint cherry tomatoes cut in half
• ½ red onion sliced
• ½ Pound feta cheese diced into ½ inch pieces
• ½ cup kalamata olives pitted

For the Dressing:

• 2 teaspoon minced garlic 
• 1 teaspoon dried oregano
• ½ teaspoon Dijon mustard
• ¼ cup red wine vinegar
• 1 teaspoon salt
• ½ teaspoon black pepper
• ½ cup olive oil