Crispy Fish with Brown Butter Sauce and Kohlrabi Salad

Name: Crispy Fish with Brown Butter Sauce and Kohlrabi Salad
Ingredients: 1 tsp. honey; 1/4 cup plus 2 tsp. fresh lemon juice; 3 Tbsp. extra-virgin olive oil, divided; 1 tsp. kosher salt, plus more; 2 small kohlrabi, peeled, halved lengthwise, thinly sliced crosswise; 1 large green apple, cut into quarters lengthwise, thinly sliced lengthwise; 1/2 red onion, thinly sliced; 4 (5–6-oz.) skin-on Chilean sea bass or salmon fillets; Freshly ground black pepper; 1/2 cup coarsely chopped blanched hazelnuts; 6 Tbsp. unsalted butter, cut into pieces; Lemon wedges (for serving)