Delicious greek pasta salad

My husband said that it was the best pasta salad he has ever had!
Well, it was really delicious and actually you can make a hot pasta dish out of this salad if you are craving something different the next day. Just heat up the salad and add hot marinara sauce. Yummy!!!

1/2 cup olive oil

1/2 cup red wine vinegar

1 1/2 teaspoons garlic powder

1 1/2 teaspoons dried basil

1 1/2 teaspoons dried oregano

3/4 teaspoon ground black pepper

3/4 teaspoon white sugar

2 1/2 cups cooked elbow macaroni

3 cups fresh sliced mushrooms

15 cherry tomatoes, halved

1 cup sliced red bell peppers

3/4 cup crumbled feta cheese

1/2 cup chopped green onions

1 (4 ounce) can whole black olives

In a large bowl, whisk together olive oil, vinegar, garlic powder, basil, oregano, black pepper, and sugar. Add cooked pasta, mushrooms, tomatoes, red peppers, feta cheese, green onions, olives. Toss until evenly coated. Cover, and chill 2 hours or overnight.