Cook pasta according to package directions, adding frozen veggies during the last 3-4 minutes of cooking time. Drain.
In same pot, heat oil over medium-high heat. Add garlic, Italian seasoning, and pepper. Cook. Stir until softened. Add wine; boil 1 minute. Reduce heat to medium; stir in Alfredo sauce. Cook until hot.
Stir in reserved pasta mixture; heat through.
Transfer to serving bowl; sprinkle with Parmesan and parsley.