Healthy vegan omelette

Ingredients

• 1 kg. potatoes, peeled and grated;
• 1 tablespoon arrowroot starch;
• 1/2 tsp. dried thyme;
• 1 tsp onion powder;
• 1/4 tsp. garlic powder;
• Sea salt, to taste (optional);
• 1/4 tsp. olive oil (optional);
• 1/4 red onion, finely chopped;
• 250 g of asparagus, cleaned and roughly chopped;
• 1/2 tsp. dried oregano;
• 1/2 tsp. halved cherry tomatoes
• 1/2 avocado, mashed (optional)
• 1/3 tsp. fresh arugula;
• Squeeze the juice of half a lemon.