Thai Crying Tiger Steak (Suea Rong Hai)

Ingredients

For the steak:
--1 lb (450g) ribeye or sirloin steak (or any well-marbled beef)
--2 tbsp oyster sauce
--1 tbsp soy sauce
--1 tbsp fish sauce
--1 tbsp vegetable oil
--1 tsp sugar
--1 clove garlic, minced
--½ tsp ground black pepper

For the dipping sauce (Nam Jim Jaew):
--2 tbsp fish sauce
--1 tbsp lime juice
--1 tbsp tamarind paste (or substitute with extra lime juice)
--1 tsp sugar (palm sugar preferred)
--1–2 Thai chilies, finely chopped (adjust to heat preference)
--1 tbsp toasted rice powder
--1 tbsp chopped cilantro
--1 tbsp chopped green onions
--Optional: ½ tsp chili flakes for extra heat

Optional sides:
--Rice
--Fresh vegetables (cucumber, lettuce, herbs)