In a medium container combine 1/4 cup tamari, 1 Tbsp sesame oil, 1 Tbsp rice vinegar, 2 Tbsp honey, 1/2-1 tsp sriracha (depending on how spicy you'd like it) and 1 Tbsp peanut butter.
For the Beef and Broccoli:
Slice 1# flank steak into thin strips.
Heat 1 Tbsp olive oil in a large saute pan over med-high add 12 oz broccoli florets and cook, stirring, ~5 mins.
Add flank steak strips and cook an additional 3-4 mins until cooked through.
Cook rice noodles according to package instructions