Pancake Kentang

Bahan-bahan (2 porsi)

• 1 lb medium-sized potatoes, peeled and grated
• 1 large egg
• 1 small yellow onion (grated)
• 3 tablespoons all-purpose flour
• 1 teaspoon salt or to taste
• 1 teaspoon ground black pepper or to taste
• 2 tablespoons oil
• 2 tablespoons sour cream
• Chopped parsley (for garnishing)