Wash the zucchini and lemon and dry with a paper towel.
Place clean and dry jars and lids in a cold oven, turn on the oven to preheat to 120 ⁰C and turn it off after 13-15 minutes.
Also cut the zucchini into small cubes.
Place the sugar, chopped zucchini and lemon into a container for making jam.
Gently mix the ingredients, and for a more liquid consistency, add 100 ml of warm boiled water to the pan. Cook the jam for 35–40 minutes over low heat, remembering to stir.
Leave the finished jam to sit for 30 minutes and cool slightly. Divide the jam into pasteurized jars. Zucchini and lemon jam is ready!
Serve jam with toast, pancakes, pancakes.