Mashed Potato Cakes – Turley Hill

Ingredients

• 1 medium onion, chopped
• 2 tbsp butter
• 2 eggs, divided
• 1 1/2 cups mashed potatoes
• 1/4 cup all-purpose flour
• 1/4 tsp salt
• 1/8 tsp pepper
• Dash hot pepper sauce, optional
• 1 tbsp water