Prep marinade by combining 1 tablespoon soy sauce, 1 Tbls dry sherry, cornstarch, 1/2 tsp sesame oil in medium bowl. Cut pork at an angle into slices 1/4" thick, then cross-cut those into strips about 1/2" wide. Toss pork with marinade and set aside for at least 30 min.
While marinading, whisk together broth, 3 Tbls soy sauce, molasses, sugar, pepper, 2 tsp sesame oil. Also add the Sambol chili sauce if using.Set aside.
Bring a large pot of water to boil. Add snow peas and cook 30 seconds to 1 minute, until the peas are bright green, but still crisp. Remove peas quickly, leaving water to boil. Immediately rinse peas with cold water.
Add noodles to boiling water and cook for 3 minutes. Drain noodles and rinse.
Heat skillet (or wok if you have one). Add peanut or canola oil and heat until smoking. Add pork to pan and cook, stirring for 3-4 minutes.
Add noodles, snow peas, and sauce to the pan with the pork. Toss to combine.
Serve topped with peanuts, scallions, and sesame seeds.