1 tomato, diced (optional)
½ tsp. freshly ground pepper
1 tsp. salt
2 tbsp. chopped fresh basil
2 tbsp. chopped fresh parsley
⅓ cup freshly grated Parmesan cheese
½ cup nonfat milk
4 large eggs
3 medium onions, chopped
4 tsp. extra-virgin olive oil
8 oz. uncooked whole-wheat spaghetti or 4 cups cooked