Ingredients:

• 1 tablespoon olive oil
• 2 tablespoons chopped pickled jalapeños, plus extra slices for serving
• 1 large clove garlic, finely chopped
• 1 pound boneless, skinless chicken breasts, cut into bite-sized pieces
• 12 ounces dried penne pasta
• 4 cups unsalted chicken stock
• 1 large red bell pepper, chopped (about 1 1/2 cups)
• 1/2 cup heavy whipping cream
• 1 1/4 teaspoons kosher salt, plus more to taste
• 1 1/2 cups (6 ounces) grated Parmesan cheese, plus more for serving
• 1/2 cup (2 ounces) shredded cheddar cheese, divided
• Hot sauce, optional (for serving)