Ingredients:

• 1 1/2 cup frozen shelled peas (6 ounces), thawed (see recipe note)
• 2 tablespoons shelled roasted pistachios, unsalted or lightly salted
• 1 clove garlic
• 1 small lemon
• 1/2 cup Pecorino Romano cheese, finely grated
• 1/3 cup olive oil
• 1/4 teaspoon kosher salt, plus more to taste