Salmon With Sizzled Nut Salsa

Name: Salmon With Sizzled Nut Salsa
Ingredients: 1 1½-lb. skinless, boneless salmon fillet; 2 tsp. Diamond Crystal or 1 tsp. Morton kosher salt, divided, plus more; 1 Tbsp. plus ½ cup extra-virgin olive oil; ¾ cup coarsely chopped mixed unsalted raw nuts; 6 garlic cloves, coarsely chopped; 1 Tbsp. light brown sugar; 1½ tsp. smoked paprika; 1 tsp. crushed red pepper flakes; 3 Tbsp. unseasoned rice vinegar; 1 Tbsp. toasted sesame oil; 1 Tbsp. toasted sesame seeds; Cilantro leaves with tender stems and/or mint leaves (for serving; optional)