Bulgogi Steak Kabobs

Ingredients (14)

• 3 pounds sirloin steak (or almost any steak)
• 1 cup fresh pineapple
• 3 cloves garlic
• 3 inches fresh ginger, peeled
• 1/3 cup soy sauce
• 1 tablespoon sesame oil
• 2 tablespoons brown sugar
• 1/4 cup Gochujang Chili paste
• 1 teaspoon black pepper
• 1 red pepper
• 1 green pepper
• 1 red onion
• Sesame seeds, garnish
• Flatbreads, for serving (optional)