There are numerous variation on tabbouleh, with the same common ingredients:
olive oil, lemon juice, parsley, mint, salt, pepper.
The grain can be bulgar, wheat berries, quinoa--or even omitted;
You can add kalamata olives very well, tomato, cucumber, onion.
There is lots of room for variation, and it pairs very well with falafel, hummus, and flatbread!

1 cup wheat berries, presoaked for eight hours (if possible) and drained 1 small cucumber, peeled and cored to remove seeds, then diced 1 pint (about 2 cups) baby heirloom or grape tomatoes, halved lengthwise 4 scallions, thinly sliced 1 cup tightly packed flat-leaf parsley leaves 1/2 cup tightly packed mint leaves 3 tablespoons extra virgin olive oil 3 tablespoons lemon juice 2 tablespoons salt, divided Black pepper

Add wheat berries, 4 cups of water and a tablespoon of salt to a medium saucepan, and bring to a boil over high heat. Reduce the heat and bring to a simmer, then cook for 45 to 50 minutes. Drain and set aside to cool. Place the cucumber, tomatoes and scallions in a large bowl. Finely chop the parsley and mint together, and add them to the large bowl. Add the cooled wheat berries to the mixture, and mix in the olive oil and lemon juice. Add remaining salt and pepper to taste.

Approximate Nutrition Info, per 1 generous cup:
Calories: 162 | Carb: 21 | Protein: 4 | Fat: 8 | Sodium: 175 | Fiber: 5

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