- 1 (.75 ounce) packet dry brown gravy mix
- 1 (4.5 ounce) jar sliced mushrooms, drained
- 2 teaspoons prepared horseradish
- 4 (6 ounce) beef tenderloin filets
- 1/8 teaspoon pepper
- Prepare gravy according to package directions; add mushrooms and horseradish. Set aside and keep warm. In a nonstick skillet, cook fillets over medium-high heat until meat reaches desired doneness (about 10-13 minutes for medium), turning once. Season with pepper. Serve with gravy.