Stir-fry Basil Beef

Thought I'd better catch up with some of my drafts for this food blog. Made this easy stir fry dish to drop off at a potluck recently. Brought brown rice with it and everyone wanted the recipe except one who wanted me to cook for her.
2 lb flank steak, thinly sliced against the grain
4 tbs soy sauce
4 tsp fish sauce
1/2 tsp kosher salt
4 tbs fresh lime juice
2 tbs light brown sugar
1/2 c salted peanuts, crushed
4 large shallots, sliced
4 Thai chilies, chopped
2 red bell peppers, sliced
10 green beans, sliced
4 tbs vegetable oil
1/4 c chopped fresh basilMarinade the flank steak with 2 tbs soy sauce, 2 tsp fish sauce, and kosher salt for 30 mins. Combine the remaining 2 Tbs soy sauce and 2 tsp fish sauce with 2tbs of the lime juice and brown sugar. Set aside.
In a non-stick skillet, add 2 tbs oil over high heat. Add beef (it'll sizzle), and cook till the beef loses it's raw appearance. Remove from skillet onto a plate.
Reduce heat to medium, add 2 tbs oil and add shallots, Thai chilies, and stir till shallots are soft and fragrant. Be careful not to burn the shallots. Add red peppers and green beans and stir-fry for another 2 mins. Return beef to the pan and stir everything together. Add soy mixture and stir fry for a min. Add 1/2 of the cilantro and basil, and stir-fry for 2 mins. Add remaining lime juice, cilantro and basil and stir-fry for 1 min. Garnish with chopped peanuts and serve immediately.
Recipe adapted from Fine Cooking.