1. Spread the peanuts and sesame seeds in an oven-proof pan and bake at 375°F for 15 minutes. Cool.
2. Combine the spinach with the apple, scallions, and raisins in a large salad bowl. Add the cooled peanuts and sesame seeds.
3. Whisk the vinegar, apple juice concentrate, mustard, soy sauce, curry powder, and black pepper together in a small bowl. Just before serving, pour over the salad and toss to mix.