Potato Mochi (Imomochi) - Miz En Place

Ingredients

• 10 ounces potatoes, peeled and boiled
• 3 tbsp potato starch
• 1 tbsp softened butter
• 1 tbsp warm water
• 2 tbsp nori flakes
• 1/2 tsp salt
• 6 small blocks mozzarella (optional)
• 1/4 cup vegetable oil
• 2 tbsp soy sauce
• 1 tbsp brown sugar
• 1-1/2 tbsp water
• 1 tsp ketchup
• Nori Strips