2 tablespoons brown sugar |
2 tablespoons low sodium soy sauce |
1 teaspoon finely grated orange zest |
1 (6 ounce) can pineapple juice |
1/2 teaspoon salt, divided |
2 teaspoons canola oil |
4 (6 ounce) salmon fillets (about 1 inch thick) |
1/4 teaspoon freshly grated black pepper |
grated orange rind (optional) |