Granny's Sliced Tomato and Onion Salad

• 14 cup balsamic vinegar
• 3 tablespoons water
• 1 teaspoon olive oil
• 1 teaspoon Dijon mustard
• 14 teaspoon fresh ground black pepper
• 18 teaspoon salt
• 5 medium ripe tomatoes, unpeeled
• 1 large purple onion
• 2 teaspoons minced fresh oregano

1. Combine first 6 ingredients in a jar, cover tightly and shake vigorously.
2. Set aside.
3. Core tomatoes, and cut each into 6 slices.
4. Thinly slice the onion and separate into rings.
5. Layer tomato slices and onion rings in a shallow dish, and sprinkle with oregano.
6. Pour vinegar mixture over vegetables, cover, and marinate in refrigerator 3 hours.
7. Makes 8 servings (about 35 calories per serving).

balsamic vinegar, water, olive oil, mustard, ground black pepper, salt, tomatoes, purple onion, fresh oregano

Taken from www.food.com/recipe/grannys-sliced-tomato-and-onion-salad-291906 (may not work)