Preheat your oven to 400 degrees F.
Toss your veggies (excluding parsley) with olive oil and your choice of either garlic salt or salt/pepper.
Put your veggies into an oven safe roasting pan. Bake at 400 degrees F for 15 minutes.
While your veggies are cooking, prepare your pasta per the directions on the box.
When pasta is cooked, drain and set aside.
When veggies are cooked, toss with pasta. Top mixture with the juice from one lemon half.
Top with parsley and serve!