Flank Steak with AWESOME sauce!

INGREDIENTS:
1 lb flank steak, trimmed
3/8 tsp kosher salt
1/4 tsp freshly ground black pepper
Cooking Spray
1 tsp canola oil
1 1/2 tsp minced fresh garlic
2 TBL soy sauce
1 tsp Dijon mustard
3/4 tsp sugar
1 1/2 TBL heavy whipping cream
2 tsp chopped fresh cilantro

DIRECTIONS:
Heat a grill pan over high heat. Sprinkle steak evenly with salt and pepper. Lightly coat the steak with cooking spray. Add steak to pan; grill for 5 minutes on each side or until desired degree of doneness. Let stand for 3 minutes.
Remove steak from pan and add oil; swirl to coat. Add garlic and cook until fragrant (about 30 seconds). Add soy sauce, mustard and sugar; cook 1 minute or until bubbly. Remove pan from heat and stir in cream and cilantro.
Cut steak diagonally across grain into thin slices. Serve with sauce.