Pork Tenderloin With Fruit with caramel

1 lb pork tenderloin 1 teaspoon salt 1/2 teaspoon black pepper 1 cup red onion , thinly sliced 1 apple , cut into thin wedges 1 garlic clove , finely minced 2[...]

3 tablespoons olive oil 2 teaspoons fennel seeds , crushed 2 medium fennel bulbs , quartered, cored, thinly sliced 1 large onion , thinly sliced 2 tablespoons[...]