Crispy Homemade Shredded Hash Browns

Ingredients

• 4 medium russet potatoes (about 2 pounds or 900 grams)
• 1 medium onion, finely chopped (optional)
• ½ teaspoon kosher salt (3 g)
• ¼ teaspoon black pepper (1 g)
• 2 tablespoons all-purpose flour (15 g)
• 3 tablespoons vegetable oil (45 ml) or clarified butter
• Fresh herbs (such as chives or parsley) for garnishing
• Additional salt, to taste