Orange Maple Balsamic Salmon

Ingredients:

• 3 tablespoons olive oil, divided
• 1 teaspoon kosher salt, divided
• 1 (1-pound) salmon fillet
• 1/4 cup balsamic vinegar
• 1/4 cup maple syrup
• 1 teaspoon orange zest
• 2 tablespoons fresh orange juice
• 1 teaspoon fresh minced ginger
• 1 garlic clove, minced

Source