Crispy Apple-Celery with Toasted Hazelnuts and Honey-Dijon Vinaigrette - DANNY'S DELIGHT

Ingredients

• 1 tsp Dijon Mustard
• 2 tbsp runny honey
• 2 tbsp cider vinegar
• 4 tbsp olive oil or any substitute
• Pink Himalayan and Black Pepper, to taste
• 1/2 cup hazelnuts, toasted, roughly chopped, divided
• 6 large celery stalks, sliced
• 1-2 large red apples, thinly sliced
• 1/4 cup thinly sliced red onions or shallots
• 2 cup arugula
• Sea salt and black pepper, to taste