Add KA–ME Hot Mustard and KA–ME Stir-Fry Oil into a shallow dish and mix well; roll pork in to coat thoroughly.
Heat KA–ME 100% Pure Sesame Oil in large oven-safe skillet over medium-high heat. Add pork and cook, turning occasionally, until golden brown. Transfer skillet to oven and bake at 350°until pork is just cooked through (about 20 minutes). Transfer pork to a cutting board and let rest for 5 minutes.
Prepare KA–ME Wide Lo Mein Noodles according to package directions and warm KA–ME Hoisin Sauce in a small pot.
Cut pork into thick slices and serve hot over KA–ME Wide Lo Mein Noodles; drizzle each slice with KA–ME Hoisin Sauce. Garnish with scallions.