In a large pot, bring water to a boil and cook the noodles according to the package instructions. Drain, rinse with cold water, and set aside.
Step 2
Heat the vegetable oil in a large skillet or wok over medium-high heat.
Step 3
Add the chopped pork and stir-fry until it starts to brown and becomes fragrant.
Step 4
Add the chopped onions, zucchini, and potatoes. Continue to stir-fry until the vegetables become tender and the onions turn translucent.
Step 5
Push the cooked ingredients to one side of the skillet and add the black bean paste (chunjang) to the other side. Cook the paste for a minute or two, stirring continuously.
Step 6
Combine the black bean paste with the cooked ingredients, stirring to evenly coat everything.
Step 7
Add the water, sugar, and soy sauce to the skillet. Stir well and let it simmer for about 10 minutes, allowing the sauce to thicken.
Step 8
Season the sauce with salt and pepper to taste.
Step 9
Serve the cooked noodles in bowls and ladle the jjajang sauce over the top.
Step 10
Garnish with sliced cucumbers and radishes if desired.
Step 11
Enjoy your homemade Jjajangmyeon, a savory Korean-Chinese noodle dish!