Add the mayonnaise, cilantro, green onions, seeded jalapeño, seeded serrano pepper, queso fresco, garlic lime juice, huacatay, amarillo paste, and salt to a blender.
Make-Ahead: You can make this up to 2 days ahead of time for freshness.How to Store: Cover and keep the aji verde in the refrigerator for up to 5 days.