Heat a nonstick skillet over medium heat.
Season the chicken breasts with paprika, Italian seasoning, salt, and pepper.
Spray the pan with cooking spray and add the chicken. Cook for 4 minutes on each side, or until the internal temperature reaches 165 degrees F.
Remove the chicken from the pan. Spray the pan with cooking spray and add the mushrooms and garlic. Sauté 4 minutes, until the mushrooms are softened.
Stir in the almond milk and Parmesan cheese, simmer 2-3 minutes, until the sauce is slightly thickened.
Add the spinach and cook until wilted.
Return the chicken to the skillet and spoon sauce over the top.