Red Grape Jam
1.
Peel the grape skins and cut the grapes in half
2.
Divide into two, remove grape seeds
3.
Put the grapes, rock sugar, lemon juice, and vanilla pods together in the pot and mix, wait for the sugar to melt, put the pot on the stove, boil it over high heat, then turn to low heat and continue to cook, remove the floats and bubbles on the surface (when cooking Stir it from time to time to avoid sticking to the bottom of the pot, but don’t keep stirring it to prevent the grapes from breaking.)
4.
Cook until the jam begins to have a thick feeling, reaching the end temperature of the jam and the sugar is 103 degrees, the jam is thick, turn off the heat, take out the vanilla pod, put it into the jam jar while it is hot and pour