1 (3") piece ginger, peeled, finely grated
2 garlic cloves, finely grated
1/2 cup tahini
1/4 cup low-sodium soy sauce or tamari
1/4 cup mirin (Japanese rice wine)
1/4 cup unseasoned rice vinegar
1/4 cup hot chili sesame oil, plus more for serving
2 Tbsp. vegetable oil
1 lb. ground pork, beef, chicken, or turkey
1 tsp. kosher salt, divided, plus more
2 cups sliced carrots, zucchini, or whole snow or sugar snap peas
1 bunch scallions, white and pale green parts cut into 1" pieces, dark green parts thinly sliced
8 oz. rice noodles of any shape
Toasted sesame seeds and sliced seaweed snacks (for serving; optional)