Beetlejuice-Inspired Shrimp Cocktail

Ingredients

1 pound shrimp, deveined, shell on

 

1/2 cup plus 2 tablespoons olive oil, divided

 

salt and freshly ground black pepper to taste

 

1 large egg

 

1 garlic clove

 

1 poblano pepper, seeded

 

1/2 cup grapeseed or canola oil

 

1 tablespoon fresh lime juice

 

6 to 8 fresh basil leaves