First, add oil to a pot at medium heat. Add oregano, red pepper flakes and stir 30 seconds.
Now, add shrimp and cook 2 minutes per side.
Next, add garlic and stir for 30 seconds. Then take shrimp out and set aside for later.
Now, add scallion and stir 30 seconds.
Next, add chicken broth, teaspoon salt/pepper, lemon juice, and parm rind. Bring to boil and reduce to simmer for 20 minutes.
Now, microwave udon noodles 1 minute then add to bowls, top with shrimp, pour broth over noodles, sprinkle basil and grate Parmesan, all over the top!
Cheers to noodle soup happiness!