Prepare a cooking pan and put in the blackberries, strawberries, and stevia blend.

Place on top of the stove and cook for about 5 minutes until a syrup is produced on the bottom of the pan and the fruits start to soften.

Remove from the heat and leave to cool for a few minutes.

Once the mixture cools down completely, transfer to a blender and blend until it smoothens.

Set aside.Beat the whipping cream and vanilla extract together using a mixer.

Beat for about 2 minutes until the mixture firms.Pour the blended fruits to the whipping cream mixture and fold gently using a spatula.

Combine the two mixtures thoroughly.Transfer the mixture to some popsicle molds.

Freeze for at least 3 hours.When the popsicles are frozen, remove from the molds and serve cold.

You can keep them in the freezer for a couple of months and enjoy anytime.