Sprinkle tilapia with salt and pepper. Dust lightly with flour., In a large skillet, heat oil over medium heat. Add tilapia; cook until lightly browned and fish just begins to flake easily with a fork, 3-5 minutes per side. Remove from pan; keep warm., Add broth, lemon juice, butter and capers to same skillet; cook and stir until mixture is reduced by half, about 5 minutes. Spoon over tilapia. If desired, serve with pasta and lemon wedges.