• 1 cup soy sauce
• 1/2 cup black soy sauce
• 1/4 cup ponzu sauce
• 1/4 cup brown sugar
• 1 Tbsp. freshly ground black pepper

• 1 pound boneless beef striploin , cut into 1-inch cubes
• 4 red bell peppers , cut into 1-inch pieces
• 8 8-inch bamboo skewers , soaked in water for 30 minutes

Add all the ingredients for the marinade in a mixing bowl and combine well.

Evenly distribute the cubed beef between the skewers. Place a piece of beef on first, then add a piece of red bell pepper. Continue until all of the skewers are prepared. Pour the marinade over the beef skewers and allow them to marinate overnight, or for a minimum of 6 to 8 hours.

Preheat your grill or flat top. Place the skewers on the grill and cook for 4 minutes on each side, turning as needed.