Ingredient !
half  cup olive oil. half  cup red wine vinegar. 1 teaspoons garlic powder. 1 teaspoons dried oregano. 1 teaspoon ground black pepper. 1 teaspoon white sugar. 2 cups cooked elbow macaron. 3 cups fresh sliced mushroom. 15 cherry tomatoes, halved. 1 cup sliced red bell peppers
1 cup crumbled feta cheese. half  cup chopped green onions. 1 (4 ounce) can whole black olives. 1 cup sliced pepperoni sausage, cut into strips.
Preparation!
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, and pepperoni. Toss until evenly coated. Cover, and chill 2 hours or overnight.