Tortellini and Feta Salad

1 lb. tortellini pasta (mixed flavors or your favorite flavor)
1 c. diced tomatoes in puree
1/2 c. sliced olives (black, green, Sicilian, or kalamata)
1/2 c. fresh basil torn into small pieces
6 oz. feta cheese

Dressing:
Mix together:

4 tblsp. olive oil
1/2 c. balsamic vinegar
1 tsp. garlic powder

Cook tortellini until firm but done (al dente) and then rinse until cool. Mix with feta, basil, tomatoes and olives. Add dressing a bit at a time until it is dressed to your liking and mix it again, well.