For the Aji Verde (Green Sauce):
- 1 cup mayonnaise
- 1/2 cup sour cream or Greek yogurt
- 1/2 cup fresh cilantro, tightly packed
- 2 jalapeños, seeded for less heat
- 2 garlic cloves
- 2 tbsp fresh lime juice (about 2 limes)
- 1 tbsp olive oil
- 1 tsp white vinegar
- 1/4 tsp ground cumin
- 1/4 tsp salt (adjust to taste)