01 -
Preheat oven to 425°F. Toss chopped vegetables with olive oil, salt, and black pepper on a baking sheet. Roast for 20-25 minutes until golden and caramelized.
02 -
Bring a large pot of salted water to a boil. Cook spaghetti until al dente according to package instructions. Reserve ½ cup pasta water then drain pasta.
03 -
Season chicken cubes with salt, black pepper, garlic powder, and paprika. Heat 2 tbsp olive oil in a large skillet over medium-high heat. Cook chicken for 6-8 minutes until golden and fully cooked, then remove and set aside.
04 -
Reduce heat to medium. Melt butter in the same skillet, add minced garlic and cook for 30-45 seconds until fragrant without burning.
05 -
Pour in heavy cream and whole milk, stirring to deglaze the pan. Simmer gently for 2-3 minutes until slightly thickened.
06 -
Remove skillet from heat. Gradually stir in shredded cheese until melted and smooth. Thin sauce with reserved pasta water if necessary.
07 -
Return chicken to the skillet, add roasted vegetables and drained spaghetti. Toss gently to coat evenly and warm through.
08 -
Plate immediately and garnish with fresh parsley, cracked black pepper, and red pepper flakes as desired.