Season the Chicken: Sprinkle the chicken breasts with paprika, salt, and pepper on both sides.
Cook the Chicken: In a large skillet over medium heat, melt 2 tablespoons of butter. Add the chicken breasts and cook for about 5-6 minutes on each side or until golden brown and fully cooked. Take the chicken out of the skillet and place it aside.
Prepare the Sauce: In the same skillet, melt the remaining tablespoon of butter. Incorporate the minced garlic and sauté for 1 minute until it becomes aromatic.
Add Liquids and Seasoning: Pour in the chicken broth, heavy cream, lemon juice, and a splash of white wine (if using). Stir in the grated Parmesan and dried thyme. Allow the sauce to simmer for 3-5 minutes, stirring occasionally, until it slightly thickens.
Incorporate the Spinach: Add the baby spinach to the skillet and cook for 1-2 minutes, just until wilted.
Combine and Serve: Return the chicken breasts to the skillet and coat them with the sauce. Let everything heat through for another 2 minutes. Adjust salt and pepper to taste.
Serve: Spoon the creamy sauce over the chicken and serve hot. Pair with rice, pasta, or mashed potatoes for a complete meal.