1. 8 oz. rotini pasta
2. ½ cup olive oil
3. ½ cup red wine vinegar
4. 1 ½ teaspoons garlic powder
5. 1 ½ teaspoons dried basil leaves
6. 1 ½ teaspoons dried oregano
7. 3 cups sliced mushrooms (optional)
8. 15 halved cherry tomatoes
9. ¾ cup crumbled feta cheese
10. ½ cup chopped green onions
11. 1 (4 ounce) can chopped black olives

Bring a large pot of lightly salted water to a boil.

Add rotini pasta and cook for 8 to 10 minutes and drain.

Mix together cooked pasta with other ingredients and chill for 2 hours.