Mix salt chilli and paprika powder together on a medium-sized plate.
Place remaining ingredients and a handful of ice into a blender and blend until smooth.
Pour to just below salted rim in glasses and garnish.
Tip: for a virgin cocktail, simply omit alcohol, double watermelon and lime juice and add 60ml of orange juice.
Tip: if your watermelon isn’t as sweet as it could be, add a tablespoon of sugar syrup at the blending stage.
Simply add these ingredients to your list and shop everything you need at your favourite fresh food stores like Coles, Aldi and Sacca's Fine Foods.