Instructions: Pound boneless beef top sirloin steak to about 1/4-inch thickness. Sprinkle with 1/2 teaspoon garlic powder and pepper. Heat 1 teaspoon oil and butter in 12-inch heavy frying pan over medium-high heat until hot. Panfry steak 5 to 7 minutes for medium-rare (150 degrees) or to desired doneness, turning once. Remove steak to heated platter; sprinkle with 1/2 teaspoon salt. Keep warm. Add remaining 1 teaspoon oil to frying pan. Add red and green peppers, onion, mushrooms and walnuts. Cook 2 minutes, stirring frequently. Add remaining 1/2 teaspoon garlic powder, 1/4 teaspoon salt and chili powder; continue cooking 2 minutes, stirring frequently. Spread steak with sour cream; top with chiles. Starting at long side, roll up steak jelly-roll fashion; secure with 6 wooden picks. Spoon vegetables around steak roll; garnish with lemon slices and cilantro sprigs. To serve, carve steak roll between wooden picks; remove and discard picks.

This recipe serves 6.

If you would like to email yourself the recipe for later use, or share the recipe with your friends or family, enter the email addresses below and this recipe will be emailed to you and others as well.