Make the dressing. Whisk in all the ingredients for the dressing in a bowl and set aside.
Cook the noodles. Bring a pot of water to boil and cook the noodles until they are tender (about 1-3 minutes). Drain and rinse them under cold water until they are cold. Drain well and transfer to a bowl.
Dress the noodles. Pour the dressing on top of the noodles and toss until the noodles are evenly coated.
Add the toppings. Add the corn, bean sprouts, and tomatoes, and serve immediately.
Notes
Save the ramen salad in a storage container and refrigerate for up to 2 days.