Broken Lasagna Pasta

1 . Stage

Bring 12 cups of salted water to a boil in a pot over medium-high heat. Add pasta and cook for 12 minutes, adding shrimp and peas to water during final 2 minutes of cook time. Drain pasta mixture, reserving 1/2 cup cooking water in a glass measuring cup. Return pasta mixture to pot.

2 . Stage

Meanwhile, heat oil in a small skillet over medium-high heat. Add onion and bell peppers and cook, stirring often, until softened, 6 to 8 minutes. Add garlic and cook, stirring constantly, for 1 minute.

3 . Stage

Add onion mixture, pesto, salt, and pepper to the pasta mixture; stir to combine. Cook over low heat, stirring in reserved cooking water as needed, 1/4 cup at a time, until desired consistency is reached and mixture is heated through. Serve immediately sprinkled with Parmesan cheese.