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Prep Time 10 minutesmins
Cook Time 20 minutesmins
Total Time 30 minutesmins
Course Breakfast, condiment
Cuisine American, British, Pakistani
Servings 38tablespoons
Calories 24kcal
Ingredients
2lbplums
1cupgranulated sugar(see notes)
2tablespoonlemon juice(see notes)
1 cupwater
Instructions
Halve the plums, discard all the pits and leave the skin on.
Measure the sugar, lemon, and water and mix with the plums in a large pot.
Bring the mixture to a rolling boil.
Reduce the heat to medium, cover, and cook for 20 minutes.
Uncover and cook on high to thicken.
Stir every few minutes to prevent the mixture from sticking to the bottom of the pan.
You can use a potato masher, if needed, to mash the plums. (see notes)
After 10 minutes, you can test the jam to see if it's done. (see notes)
Once ready, spoon the hot jam into the prepared, sterilized jars to cool down.
Notes
Sugar: Many recipes use a ratio of 1 cup of sugar to 1 lb. of fruit. However, I find that using more than 1 cup of sugar for 2 pounds of plums detracts from the fruit's taste. Feel free to adjust the sugar to your taste.Lemon juice: Lemon juice is high in Pectin and helps the jam set more quickly. Mash the plums: Plums soften very quickly, and using a masher to help break them down reduces the cooking time.Testing the jam: I usually cook just until the jam coats my cooking spoon; however, if you're new to making preserves, use one of the methods below:
Use a candy thermometer and cook till the temperature reaches 200℉. This will ensure that your jam will set.
Put a small clean plate in the fridge and let it chill. Once the jam is ready, place a small amount on the cold plate. It will cool immediately, allowing you to determine if it's appropriately set or if you need to cook it for a longer period.