Meanwhile, in a glass bowl, mix 1 tablespoon olive oil, lemon juice, lemon zest, & salt and pepper to taste.
In a small skillet, heat 1 tablespoon olive oil. Add onion. Sprinkle with a pinch of salt. Sauté for 3 minutes. Add the garlic, continue to sauté for 1 minute more.
Drain the tortellini and put in a large mixing bowl. Add the tomatoes, olives, onion & garlic mix, and the dressing. Toss well and serve.
Recipe by simple-food-solutions.com at http://simple-food-solutions.com/?p=1424