1/2 cup pine nuts
2 tablespoons olive oil, divided
1 about 3 tablespoons shallot, finely chopped
1/2 medium fennel bulb, cored, finely chopped
3 tablespoons capers, drained
1 1/2 teaspoons fresh orange zest
2 tablespoons fresh basil, thinly sliced
1/2 teaspoon + 1/8 teaspoon salt, divided
4 6-7 ounce skin-on salmon fillets
1/4 teaspoon ground black pepper