Step 1

Combine the ingredients for the sauce in a small bowl.

Step 2

Add water to a small sauce pan, once boiling, add eggs, boil for 6 minutes. Run under cool water, set aside.

Step 3

Cook the noodles according to package directions until just al dente. Drain, reserving 1/2 cup cooking water, and run the noodles under cool water to stop the cooking.

Step 4

In the meantime prepare the shiitakes: In a large skillet, heat the oil until shimmering over high. Add shiitakes, cook for 4-5 minutes, stirring occasionally. Lower the heat, add garlic, ginger, chili flakes and Sichuan pepper. Cook for 2 minutes. Add butter, stir until it melts. Stir in scallions and season with black pepper.

Step 5

Add the sauce, bring to a boil and simmer for 2 minutes. Stir in noodles and 1/4 cup water. Simmer, tossing occasionally, until sauce begins to cling to noodles, about 30 seconds.

Step 6

Divide noodles among plates, top with a soft-boiled egg, sesame seeds and chopped scallions. Add more sambal if you can handle the heat, enjoy!