Jaengban Makguksu (Spicy Buckwheat Noodle Salad) / 쟁반 막국수

Ingredients
10 oz Buckwheat Noodles
3 Red Leaf Lettuce, sliced
½ Red Onion, sliced
½ Onion, sliced
½ Yellow Paprika
¼ Cucumber
⅓ Carrot
¼ Red Cabbage, sliced
⅛ White Cabbage, sliced
10 Perilla Leaves, sliced
1 Hard Boiled Egg, cut in half
1 L Water
Almonds, chopped

Sauce
1 Fuji Apple
4 tbsp Soy Sauce
4 tbsp Apple Vinegar
3 tbsp Brown Sugar
4 tbsp Gochugaru (Red Pepper Flakes)
2 tbsp Garlic
1 tbsp Salted Sesame Seeds
100 ml Lemon-Lime Soda
½ tbsp Korean Hot Mustard Paste