Tamagoyaki (Japanese Rolled Omelette)

Name: Tamagoyaki (Japanese Rolled Omelette)
Prep time: 5 min
Cook time: 5 min
Total time: 10 min
Cuisine: Japanese
Ingredients: 3 large eggs (50 g each w/o shell); 2 Tbsp neutral-flavored oil (vegetable, rice bran, canola, etc); 1 ½ sheet nori (seaweed) ((optional; for omelette with nori in it)); 3 Tbsp dashi (Japanese soup stock; click to learn more); 2 tsp sugar; 1 tsp soy sauce ((use GF soy sauce for gluten-free)); 1 tsp mirin; 2 pinch kosher/sea salt (I use Diamond Crystal; use half for table salt); 3 oz daikon radish ((1", 2.5 cm; choose green top part as it is sweeter than white part)); soy sauce ((use GF soy sauce for gluten-free))