01 -
Preheat oven to 425°F. Toss chopped vegetables with olive oil, salt, and pepper on a baking sheet. Roast 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.
03 -
Season chicken cubes with salt, pepper, garlic powder, and paprika. Heat 2 tbsp olive oil in a large skillet over medium-high heat. Cook chicken 6-8 minutes until golden and cooked through. Remove and set aside.
04 -
Reduce heat to medium. Add butter to the same skillet and melt. Add minced garlic and cook 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 needed.
07 -
Return chicken to the skillet. Add roasted vegetables and drained pasta. Toss gently to coat evenly with sauce and warm through.
08 -
Plate immediately. Garnish with fresh parsley, cracked black pepper, and red pepper flakes as desired.