Season chicken breasts with salt and pepper on both sides.
Melt 2 tablespoons butter in a large skillet over medium heat. Cook chicken until golden and cooked through, about 6-7 minutes per side. Remove chicken and keep warm.
Add remaining 2 tablespoons butter and minced garlic to the skillet; sauté until fragrant, about 1 minute.
Add riced cauliflower to the skillet and cook, stirring frequently, for 5-6 minutes until tender.
Stir chopped parsley into the cauliflower rice, season with additional salt and pepper if needed.
Serve chicken breasts on top of the garlic butter cauliflower rice and enjoy.
Notes
This recipe is a great keto-friendly option that can be prepared in under 40 minutes. Feel free to add a squeeze of lemon juice for extra brightness.