1. Prepare the Watermelon: Start by cutting your seedless watermelon into small, bite-sized cubes. Aim for pieces that are about 1/2 to 3/4 inch in size, making them easy to eat with a spoon.

2. Chop the Mint: Wash your fresh mint leaves thoroughly. Pat them dry with a paper towel, then finely chop them. You want small pieces that distribute evenly throughout the yogurt without being too overwhelming.

3. Combine Yogurt Base: In a medium-sized mixing bowl, add the plain Greek yogurt. If you’re using honey or maple syrup and vanilla extract, add them to the yogurt now.

4. Mix the Yogurt: Stir the yogurt, sweetener (if using), and vanilla extract (if using) together until well combined and smooth. Taste and adjust the sweetness to your preference.

5. Fold in Watermelon and Mint: Gently fold the cubed watermelon and chopped mint into the yogurt mixture. Be careful not to overmix, as you want to keep the watermelon pieces intact.

6. Portion into Cups: Divide the mixture evenly into individual serving cups or small bowls. Glass jars or clear plastic cups work well for showcasing the vibrant colors.

7. Chill and Serve: For the best flavor and a wonderfully cool temperature, cover the cups and refrigerate for at least 15-30 minutes before serving. This allows the mint flavor to infuse slightly and the yogurt to firm up a bit.

8. Garnish (Optional): Before serving, you can garnish each cup with a small sprig of fresh mint or a few extra watermelon cubes for an appealing presentation.