Herby Cauliflower Fritters

Name: Herby Cauliflower Fritters
Ingredients: 1⅓ cups whole-milk Greek yogurt; 2 tsp. plus 2 Tbsp. finely grated lemon zest; 2 tsp. fresh lemon juice; 4 garlic cloves, finely grated, divided; 1 Tbsp. plus ¼ cup extra-virgin olive oil; plus more for drizzling; 2½ tsp. Diamond Crystal or 1½ tsp. Morton kosher salt, divided, plus more; 1 10-oz. bag frozen riced cauliflower; 1 large egg; 1 large egg yolk; 2 oz. Parmesan, finely grated (about 1½ cups); 1 cup panko; ¾ cup finely chopped mixed tender herbs (such as dill, chives, and/or parsley), plus leaves for serving; ½ tsp. freshly ground pepper, plus more; ¼ medium red onion, thinly sliced; 1½ cups baby arugula