Cook the linguine according to package instructions. Drain and set aside.
In a skillet, heat olive oil over medium heat. Add chicken and season with salt and pepper. Cook until golden brown and cooked through, about 6-7 minutes per side. Remove and set aside.
Add butter and garlic to the skillet. Sauté for 1-2 minutes until fragrant.
Stir in Dijon mustard, paprika, red pepper flakes, lemon juice, and lemon zest. Cook for another minute.
Add chicken broth and bring to a simmer. Stir in heavy cream and parmesan cheese. Cook until heated through.
Return chicken to the skillet and coat with the sauce. Serve over linguine and garnish with parsley.
Notes
You can adjust the spice level by adding more or less red pepper flakes.
Keyword chicken recipe, Cowboy Butter Chicken, pasta recipe