Bring a large pot of salted water to a boil and cook the pasta, stirring occasionally, until al dente, following the package instructions.
Be sure to reserve a cup of the pasta cooking water before draining.
While the pasta cooks, season the shrimp with salt and pepper. In a large, deep skillet, heat the olive oil over medium-high heat.
Add the shrimp and cook, turning them halfway through, until they’re perfectly cooked, about 4 minutes. Once done, transfer the shrimp to a plate.
In the same skillet, add the remaining tablespoon of oil and heat over medium-high. Toss in the bell pepper and sauté, stirring occasionally, until it begins to soften, about 3 minutes.
Add the scallions, garlic, and chopped jalapeño, cooking for another minute until the mixture becomes fragrant.
Pour in the reserved pasta water, followed by the chiles, adobo sauce, and tomato paste. Season with a pinch of salt and bring the mixture to a simmer, stirring to combine.
Gradually stir in the cream, then fold in the shrimp, pasta, and Parmesan.
Continue cooking over medium-high heat, tossing constantly, until the sauce thickens and beautifully coats the pasta, about 2 more minutes.
Plate the pasta and generously top with extra scallions and thinly sliced jalapeño for a burst of freshness. Enjoy.