Top-ranked recipe named "Sirloin Steak with Tarragon-garlic Sour Cream"
Combine first 5 ingredients in a small bowl; stir in 1/4 teaspoon salt and 1/8 teaspoon pepper. Set aside.
Heat a large nonstick skillet over medium-high heat; coat with cooking spray. Sprinkle both sides of steak with 1/4 teaspoon salt and 1/8 teaspoon pepper; add steak to pan. Cook 5 minutes on each side or until desired degree of doneness. Remove from pan; let steak stand 5 minutes. Cut into 1/4-inch-thick slices. Keep warm. Serve with sauce.
This steak goes very well with Roasted Baby Carrots (BO 180317) and/or Panfried Parmesan Potatoes (BO 180268) on the side.