Tomatoes are rich in vitamin C and disease-fighting lycopene. Onions are loaded with polyphenols and provide minerals such as manganese. This low-calorie simple salad is the perfect summer side dish.

Yield: 4 servings

Preparation time: 30 minutes

Ingredients

• 2 medium heirloom tomatoes, sliced and quartered
• 1 medium sweet onion, sliced and large rings halved
• 1 tbsp extra virgin olive oil
• 1 tbsp apple cider vinegar
• ½ tbsp chopped fresh dill
• 1 tsp sugar
• ¼ tsp salt

Directions

1. Place the tomatoes and onions in a medium bowl.

2. In a small bowl, whisk together the remaining ingredients. Whisk well until the sugar dissolves.

3. Pour the vinaigrette over the tomatoes and onions. Stir well. Cover with a lid, and refrigerate for at least 15 minutes before serving.

Lori Rice, M.S., is a nutritional scientist and author with a passion for healthy cooking, exercise physiology, and food photography.