Basic Tempura Recipe

Name: Basic Tempura Recipe
Cuisine: Japanese
Ingredients: 1 large egg (50 g each w/o shell) ((about 50 g; keep it cold)); 200 ml iced water ((keep it cold)); 1 cup all-purpose flour (plain flour) ((120 g; keep it cold)); ¾ cup dashi (Japanese soup stock; click to learn more) ((180 ml; or ¾ cup water + 1 tsp dashi powder)); 3 Tbsp soy sauce; 2 Tbsp mirin; 2 tsp sugar; 4 shrimp; 1 Japanese/Chinese eggplant; 2 king oyster mushrooms (eringi); 2 shiso leaves; 4 slices lotus root (renkon); 4 slices Japanese sweet potato (Satsumaimo); 4 slices kabocha (squash/pumpkin); 2 Tbsp all-purpose flour (plain flour) ((for dusting)); neutral-flavored oil (vegetable, rice bran, canola, etc) ((for deep frying; neutral-flavored oil: sesame oil = 10: 1)); 2 inches daikon radish ((5 cm; grated and lightly squeeze to drain))