Cook the Pasta: Boil pasta according to package instructions. Drain and rinse under cold water to cool. Set aside.
Prepare the Veggies: Chop the tomatoes, cucumber, bell pepper, onion, and olives.
Make the Dressing: In a small bowl, whisk together olive oil, red wine vinegar, Dijon mustard, garlic powder, oregano, salt, and pepper until smooth.
Combine: In a large mixing bowl, add the cooked pasta, vegetables, cheese, and optional pepperoni. Pour the dressing over the salad and toss gently until everything is evenly coated.
Garnish and Chill: Sprinkle chopped parsley on top. Cover and refrigerate for at least 1 hour to let the flavors meld.
Serving and Storage Tips
