Pork Tenderloin with Apples and Onions

Ingredients (10)

• + 2 (1 1/2 pound) pork tenderloins add to pantry
• ✓ 2 teaspoons vegetable oil, divided
• ✓ 1 teaspoon sea salt
• + 3 Granny Smith apples - peeled, cored, and sliced into eighths add to pantry
• + 2 medium sweet onions, sliced vertically add to pantry
• + 1 tablespoon Dijon mustard add to pantry
• + 1 tablespoon fresh thyme leaves, divided add to pantry
• + ¼ teaspoon ground black pepper, or to taste add to pantry
• + 1 cup chicken stock add to pantry
• + 1 tablespoon butter add to pantry