Tortellini Salad without dressing

1 (8 ounce) package frozen cheese tortellini 1/2 white onions or 1/2 red onion 1/2 green bell pepper 1 (4 1/4 ounce) can black olives 1 -2 cup crumbled feta[...]

1 (9 ounce) package cheese tortellini 1 small red bell pepper, julienned 3/4 cup fresh broccoli florets 1/3 cup shredded carrots 1/3 cup pitted green olives 1[...]

1 small red onion , thinly sliced and separated into rings 1 cup black olives , pitted 8 ounces fresh mushrooms , sliced very thin 1 (14 ounce) can artichoke[...]

12 -16 ounces dry cheese tortellini 3 tablespoons olive oil 3/4 tablespoon italian seasoning 1 cup celery , sliced 1 medium onion , chopped 1 cup carrot ,[...]