Step 1

Blend the watermelon chunks in a food processor until it is smooth.

Step 2

Strain the watermelon juice using a fine-mesh sieve or nut milk bag, then discard the seeds and pulp.

Step 3

Add the lime juice and sweetener to the watermelon juice, and stir.

Step 4

Pour the watermelon mixture into the popsicle molds. Freeze until the popsicles are frozen solid, or overnight to be sure.