Step 1

In a large saucepan over medium heat, stir together the water, lemon juice, sugar, and cornstarch. Cook until thickened and bubbly, for around 5 minutes.

Step 2

Cook for another 3 minutes once it becomes bubbly, making sure to stir consistently.

Step 3

Remove the pan from the heat and stir in the vanilla extract and cinnamon.

Step 4

Add the peaches and mix until everything is well combined.

Step 5

Make sure to cool the filling to room temperature then use right away or store in the refrigerator for a few days.