Heat up a wok with 1 tablespoon of the cooking oil to 400. Check temperature with infrared temperature gun, or heat until oil is shimmering.
Add the beef to the wok and do not disturb for 30-40 seconds. Sprinkle a couple of pinches of MSG onto the meat, Stir fry for another 30-40 seconds.
Remove the beef from the wok and into a bowl. Set aside.
Clean the wok using tongs and a bunched up wad of paper towels. Heat it up with the remaining 2 tablespoons of oil.
Add in the ginger, garlic and scallion bottoms and stir-fry until light brown or aromatic. About 30-40 seconds. Push aside.
Add the Serrano, Fresno and Pickled Tabasco peppers and stir-fry for 30-40 seconds, then mix in the ginger, garlic and scallion bottoms with the peppers. Sprinkle a couple of pinches of MSG, and stir-fry for 10 seconds.
Add the beef back into the wok, and stir-fry all ingredients for 10 seconds.
Re-whisk sauce, and pour down the edges of the wok so it slides down the sides. Do not pour over top.
Continue to stir fry making sure everything is well blended with the sauce and all of the ingredients, about 30-60 seconds.
Remove from heat and transfer to serving bowls.
Garnish with scallion tops and serve with rice.