Cook pasta according to package instructions, being sure to salt the water. Drain and rinse well under cold water. Add to a large bowl and set aside.
3 cups dry pasta
Prep corn - see notes below.
2 cups corn kernels
Add corn to the bowl with pasta. Mix in chopped green onions and cilantro.
1/4 cup green onions, 1/2 cup cilantro
In a separate bowl whisk together sour cream, mayo, lime juice, salt and Tajin seasoning. Pour over pasta and mix well.
1/2 cup sour cream, 1/2 cup mayo, 1 tbsp. lime juice, 1 tsp. Tajin seasoning, 1/2 tsp. salt
Mix in Cotija cheese and serve. Sprinkle extra Tajin seasoning on top, if desired. Store in an airtight container in the fridge for 3-4 days.
1/2 cup Cotija cheese