Cut tenderloins crosswise into 1-in. slices; flatten slices with a meat mallet to ½-in. thickness. Mix poultry seasoning, seasoned salt and ⅛ teaspoon pepper; sprinkle over turkey.
In a large skillet, heat oil over medium-high heat. Add turkey in batches; cook until no longer pink, 2-3 minutes per side. Remove from pan; keep warm.
In same pan, melt butter over medium heat; stir in flour until smooth. Gradually stir in broth. Bring to a boil; cook and stir until thickened, about 2 minutes. Sprinkle with remaining ⅛ teaspoon pepper. Serve with turkey.