Marinated Tomatoes

Bahan-bahan (4 porsi)

• 1 pound ripe tomatoes
• ½ white onion (sliced)
• ¼ cup olive oil
• 2 tablespoons red wine vinegar
• 1 clove garlic (sliced)
• 1 teaspoon chopped fresh parsley
• 1 teaspoon chopped fresh basil
• ½ teaspoon salt (or to taste)
• ½ teaspoon black pepper