Preparation

• Combine chili powder and 1/2 tsp. black pepper; sprinkle evenly onto both sides of steak. Let stand 30 min.
• Heat grill to medium-high heat. Grill steak 3 to 5 min. on each side or until medium doneness (160°F). Remove from heat; cover. Let stand 5 min.
• Meanwhile, process remaining black pepper with all remaining ingredients except crackers in food processor until blended.
• Cut steak diagonally across the grain into thin slices; place on crackers. Top each with about 1/4 tsp. of the prepared sauce.