In a small bowl combine well, the minced garlic, olive oil, salt and pepper.
Place halved tomatoes on cookie sheet and drizzle with the olive oil mixture. Bake for approximately 15 minutes.
In boiling salted water cook pasta al dente. Drain and cool for about 10 minutes.
In a large bowl add arugula, feta cheese, olives and celery and combine, then add the roasted tomatoes and pasta, gently combine add an extra tablespoon or two of olive oil if needed. Cover with plastic and refrigerate for approximately 20 minutes before serving. Enjoy.