Bruschetta Farfalle Salad

1- 12 oz. pkg. farfalle (bowtie) pasta
3 tomatoes, finely chopped
1/2 c. green onion, finely chopped
2/3 c. shredded Parmesan cheese
1 c. pesto
salt and pepper to taste
drizzle of olive oil, optional

Cook pasta according to package directions, cool quickly, drain thoroughly. Add remaining ingredients and toss to coat. Add olive oil if salad is too dry. All ingredients are guesstimates, add as much or as little as you want.