Reede wants to recreate the food that his grandfather and another villager made, but he needs your help to rediscover it.
Quest Location
After you start the quest Team Cece or Team Reede?, talk to Reede at 3429, -2082, 0131 in his house in Hateno Village to start this quest.
How to Complete the Quest
Complete the quest A Letter to Koyin, then give Reede some cheese.
Quest Reward
Reede gives you 100 rupees, and you will now be able to buy Hateno Cheese from the East Wind General Goods store in Hateno, and from some of the traveling merchants around Hyrule.