Bring a large pot to a boil, generously salt the water, and cook the orecchiette until al dente. Drain and set aside.
2 cups (227 grams) dried orecchiette
The easiest way to char the corn is to broil the kernels right under the broiler until browned, stirring once or twice.
1 pound (450 grams) corn kernels
To make the dressing, whisk together the mayonnaise, sour cream, lime juice, garlic, chipotle powder, sugar, salt, and pepper in a large bowl until smooth. Taste and adjust the seasonings as desired.
2 tablespoons mayonnaise, 2 tablespoons sour cream, 3 tablespoons lime juice, 1 clove garlic, 1 teaspoon chipotle chili powder, ½ teaspoon sugar, ½ teaspoon kosher salt, ¼ teaspoon black pepper
When the pasta and corn have cooled to warm room temperature, add the, pasta, corn kernels, cotija, and sliced green onions to the dressing and toss until evenly coated. Garnish with cilantro, if desired.
¾ cup (170 grams) cotija, 2 green onions, ¼ cup chopped cilantro