2 medium red onions, finely chopped (1 1/2 C.)
1 medium tomato, finely chopped (3/4 C.)
4 medium green onions, chopped (1/4 C.)
4 cloves garlic, finely chopped
1/4 C. lemon juice
2 T. chopped fresh cilantro
2 T. balsamic or red wine vinegar
1 tsp reduced-sodium soy sauce
1/4 tsp ground red pepper (cayenne)

Mix all ingredients in glass or plastic bowl. Cover and refrigerate at least 2 hours.