Combine the shrimp with ¼ cup pesto; marinate for 20 minutes
Cook pasta according to package directions, drain
In a large skillet, heat olive oil over medium heat; add the shrimp. Cook 4 to 6 minutes, turning halfway through, until opaque. Add drained pasta and squash
Stir in the rest of the pesto, the roasted peppers, and the ¼ cup Parmesan cheese. Stir gently to mix and heat through. Serve topped with fresh basil and Parmesan cheese shards
