how to make homemade jam
How to Make Homemade Jam
Homemade jam is usually made by cooking fruit with sugar, plus a little lemon juice to help it set. A simple small- batch version can be ready in about 20 minutes, while a more traditional stovetop method takes longer and gives a thicker result.
[6][7]Quick Scoop
Use ripe fruit, sugar, and lemon juice. Cook until the mixture thickens, test for a set, then pour it into clean jars.
[7][6]Simple Method
- Wash and prepare the fruit. Remove stems, pits, or hulls as needed. [6][7]
- Combine fruit and sugar in a heavy pot. Let it sit briefly so the fruit releases juice. [7][6]
- Cook over medium-high heat until the fruit softens and the mixture comes to a boil. [6][7]
- Add lemon juice. This helps the jam set, especially with lower-pectin fruit like strawberries. [7][6]
- Keep boiling until thick. Stir often near the end so it does not scorch. [6][7]
- Test the set with a cold plate or thermometer. Jam is typically ready around 104 C / 220 F, or when it wrinkles on a chilled saucer. [7]
- Transfer to clean jars. Cool, then refrigerate, or process for shelf storage if you are using a proper canning method. [6][7]
Good Ratios
| Ingredient | Typical amount | Notes |
|---|---|---|
| Fruit | About 1 lb / 450 g | Peak-season fruit works best. |
| Sugar | About 1 lb / 450 g | Traditional jam often uses a 1:1 fruit-to-sugar ratio. |
| Lemon juice | A few tablespoons | Helps low-pectin fruit set. |
Best Fruit Choices
Berries, peaches, plums, apricots, and similar fruit all work well. Fruits with more natural pectin, or fruit with a little added lemon juice, usually set more reliably.
[6][7]Safety and Storage
Use clean jars and lids, and be careful with hot sugar syrup. If you want shelf-stable jam, use a tested canning process; otherwise, refrigerate and use it within a few weeks to a few months depending on the recipe.
[7][6]For a very easy version, a small-batch strawberry jam can be made from just fruit, sugar, and lemon without pectin.
[4]TL;DR: Mix fruit, sugar, and lemon juice; cook until thick; test for set; jar it. For the easiest version, use a small-batch recipe with berries and no added pectin.
[4][6][7]