Cut the prickly pears in half and scoop out the fruit.

Place the fruit, water, and sugar in a pot over medium high heat.

Bring to a boil then reduce heat to a simmer. Simmer for 30 minutes.

Remove from heat and stir in the lemon juice.

Place a bowl in the sink and put a fine mesh strainer over the bowl. Scoop a bit of the mixture into the strainer.

Use a spoon and press the prickly pear mixture into the strainer to get
all of the liquid out. Empty the strainer of the seeds and pulp
and repeat until the mixture is strained.

Pour the liquid into a jar and refrigerate for at least one hour before using.