For the chicken:

• 1 tbsp kosher salt + 1/4 tsp
• 2 tsp smoked paprika
• 1 tsp ground cumin
• 2 garlic cloves, finely chopped
• 3 scallions, finely chopped
• 1 tbsp red wine vinegar
• 4 tbsp olive oil, divided
• 1 (3 1/2 lb) chicken, backbone removed and flattened with the heel of your hand

For the sauce:

• 1 poblano pepper, seeded and chopped
• 1 tsp Calabrian chili paste
• 1 cup packed cilantro leaves and tender stems
• 1/2 cup basil leaves
• 1/4 cup Italian parsley leaves
• 1 small garlic clove
• 1/2 cup mayonnaise
• 1/4 cup sour cream
• 1 tbsp freshly squeezed lime juice from 1/2 a lime
• 3/4 tsp kosher salt