Creating Tortellini Pasta Salad is simple if you follow these easy steps:

1. Cook the Tortellini: In a large pot, bring salted water to a boil. Add the tortellini and cook according to package instructions, usually about 3-5 minutes. Drain and rinse under cold water to cool.

2. Prepare the Vegetables: While the tortellini is cooking, chop all your vegetables. Dice the cucumbers, slice the cherry tomatoes, and red bell peppers. Finely chop the red onion.

3. Combine Ingredients: In a large mixing bowl, combine the cooked tortellini, cherry tomatoes, cucumbers, red bell pepper, black olives, and red onion.

4. Make the Dressing: In a small bowl, whisk together the pesto sauce, olive oil, and red wine vinegar. Add salt and pepper to taste.

5. Toss the Salad: Pour the dressing over the pasta and vegetables. Gently toss until everything is well-coated.

6. Add Feta Cheese: Fold in the crumbled feta cheese, being careful not to break it up too much.

7. Chill (optional): If time allows, cover and refrigerate the salad for at least 15 minutes to let the flavors meld.

8. Garnish and Serve: Before serving, garnish with fresh basil leaves if desired.

By following these steps, you can easily create a fresh and vibrant Tortellini Pasta Salad that will please any crowd.