Mix together all ingredients in a bowl and enjoy sprinkled on watermelon or a fruit salad for a unique snack. It's also is delicious sprinkled on mango, cucumber and popcorn or use it to rim a cocktail.
The spice will keep for 3 months in an airtight container stored at room temperature.
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Notes
You can mix / match the 3 tbsp of red chili powder needed so for example if you can't find guajillo, you could use 1 1/2 tbsp chipotle and 1 1/2 tbsp ancho.
Dehydrated lime zest isn't always easy to find so you can substitute with lime powder or citric acid if needed.