Cantonese : Beef with Bitter Gourd: Stir Fry

Beef with bitter gourd stir fry, may sound bitter to you. But if you can tolerate drinking drinking beer, then this is nothing but bitter sweet to you. Got good health benefit too. It helps regulate our blood sugar to healthy level. Enjoy. Below are the list of Ingredients: Again, thru the courtesy of Mr. Michael Taylor. Who spend time typing those list in his comment section. So I can copy-paste the list here. Let's thank Mike for his contribution.
List of Ingredients: **created by HAPPY WOK **
10 oz. beef flank steak (sliced against the grain)
*marinade for beef*
2 Tbsp - light soy sauce
1 tsp -- rice wine
¼ tsp -- baking soda
1 Tbsp -- corn starch
as needed -- cooking oil
2 Tbsp -- ginger (minced)
1 Tbsp -- garlic (minced)
1½ Tbsp -- fermented / salted black beans
10 oz. -- bitter gourd + 2 Tbsp salt
2 Tbsp -- rice wine (for drizzling)
** pre mix sauce **
¼ cup -- beef broth
1 Tbsp -- each, oyster sauce & light soy sauce
2 Tbsp -- rice wine ⅛ tsp white pepper
1 tsp -- each, sesame oil & white sugar
** slurry **
⅛ - cup water & ½ tsp - corn starch