Tomato and Cucumber Salad

Ingredients

• 1/3 cup olive oil
• 1/4 cup fresh lemon juice
• 1 tablespoon distilled white vinegar
• 1 1/4 teaspoons salt
• 1 teaspoon ground cumin
• 1/2 teaspoon black pepper
• 3 vine-ripened or plum tomatoes, diced
• 1 lb. seedless cucumber, diced (about 2 1/2 cups)
• 3/4 cup finely chopped fresh curly parsley
• 1/4 cup finely chopped sweet onion