Combine sauce ingredients in measure cup and set aside.
Slice brisket ¼” thick and set aside.
Boil water for rice noodles; cook according to package directions.
Prepare herbs and vegetables – washed, peeled, picked from stem and roughly chopped, sliced, or diced. Set aside.
To warm up meat, heat large skillet. Add meat and the cooking liquid to heat through. Add the sauce and bring to a boil and let simmer for 3-5 minutes.
Once noodles are done, drain and add to the large skillet with the meat.
Heat oil in small frying pan until very hot. Break eggs into a bowl and whisk until well combined. Pour into hot pan and scramble until just soft, but no longer runny. Add to skillet with meat and noodles and stir gently to combine.
Serve the noodles and brisket into bowls and add tomatoes, cucumbers, pepper, and herbs as desired.