Momofuku Steak - Eatin' mess

Ingredients

• 1/4 cup soy sauce
• 1 tsp sesame oil
• 1 tsp ground pepper
• 1/2 cup shallots, finely sliced
• 1/4 cup neutral oil
• 1 1/2 tsp soy sauce
• 3/4 tsp sherry or red wine vinegar
• 3 large butter lettuce leaves
• 1 tsp sambal oelek