How to Use the Preserves Jar in Stardew Valley

Place a Preserves Jar on your farm, then use an eligible fruit or vegetable on it. The jar turns most eligible fruit into jelly and vegetables into pickles. Return when the finished item appears above the jar and collect it before loading the next crop. The recipe unlocks at Farming level 4 and costs 50 wood, 40 stone, and 8 coal per jar.

Craft and load the first jar

1. Reach Farming level 4 and open the crafting menu to confirm the recipe is available.
2. Gather 50 wood, 40 stone, and 8 coal. Craft one Preserves Jar and place it somewhere you can reach regularly.
3. Select one eligible fruit or vegetable in your toolbar. Interact with the jar while holding the item.
4. Check that the item was accepted, then leave the jar to process it.
5. When the result appears above the jar, collect it and load another item if you have one ready.

Place the machine along a route you already walk. A jar near your crops or storage can be easy to refill after a harvest. Leave room to approach it and check that it doesn't block a path you need. You can start with one and add more after you see whether you regularly have crops waiting.

Keep one type of crop beside the jar while learning. Use an item that you don't need for a bundle, quest, recipe, or gift. Once you see the result, compare the sale value with the raw crop and decide whether you want to process the rest.

Choose which crops to process

For the standard jelly and pickle recipes, the base value is twice the ingredient's base price plus 50g before applicable profession bonuses. The machine uses the crop's base price rather than carrying its quality into the product. This can make normal-quality crops sensible inputs when you also have higher-quality copies you could sell directly.

For example, if you have two copies of the same crop and only one open jar, compare the prices you would receive for selling each crop raw. The jar can produce the same standard product from either quality. Using the cheaper copy preserves the higher-value raw one for a sale or another purpose.

Compare your time as well as the sale price. If the jar is full and you have a large harvest waiting, select the crop you want to process first. Sell or store the rest according to your current needs. A backlog of crops only helps if you can process it before you need the money or space for something else.

Fit the machine into your farm routine

Check the jar when you pass it during your usual chores. Collect the finished item and refill it when you can. If you regularly return to a ready jar and have crops waiting, consider crafting another. If your first jar is frequently empty, collect more crops or change your routine before spending resources on a row of machines.

Keep one chest nearby if you plan to process several crops. Sort what you want to preserve separately from what you intend to cook, gift, or sell. That makes it easier to refill without using an item you saved for another task.

Some eligible inputs produce a different result from the basic fruit and vegetable recipes. Read the item and verify the finished product before scaling up. For example, fish roe uses its own preserves products. Use the standard jelly and pickle formula only for the crops it describes.

Fix a jar that won't accept an item

Check that the jar is empty. If a finished item is visible, collect it first. Make sure you are holding the intended crop, then interact again. If the jar still rejects the item, check whether it belongs in another machine or is an ingredient the jar does not support.

If you expected a higher sale value, verify which crop went in and compare the product against the crop's base price. A high-quality input doesn't carry its quality over to the standard jar product. Pick your next input based on what you would otherwise do with that specific crop.

A simple first setup is one jar, one chest, and a crop you harvest regularly. When that routine keeps the machine busy and you still have useful crops waiting, expand it.