Pat chicken dry; season with paprika, cayenne, garlic powder, salt, pepper.
Heat oil, cook chicken 4–5 minutes per side until golden; set aside.
Boil salted water, cook pasta until al dente; reserve ½ cup water.
Melt butter, sauté garlic 30 seconds; add tomatoes, chili flakes, seasoning.
Stir in cream and parmesan; season with salt, pepper.
Return chicken and pasta to skillet; toss with sauce, adjust with pasta water.
Garnish with basil and parmesan; serve hot.