Greek Salad with Avocado

Ingredients (13)

• 2 English cucumbers
• 1 1/2 pounds medium tomatoes
• 1/4 small red onion
• 1 1/2 cups kalamata olives
• 1/4 cup Italian flat leaf parsley
• 2 avocados
• 1 cup feta cheese
• 1/2 cup extra virgin olive oil
• 1/2 cup red wine vinegar
• 2 cloves garlic
• 1 tablespoon oregano
• 2 teaspoons sugar
• 1 teaspoon each of kosher salt and freshly ground black pepper