Place the watermelon cut side down on a cutting board. Run a knife from the top to the bottom in strips to cut the rind off.
Cut the watermelon into 1-inch thick plates then slice into triangles.
Arrange the sliced on a large plate or tray.
Drizzle with olive oil and lime juice.
Sprinkle with tajin seasoning and Cotija cheese. Add the cilantro and optional jalapenos.
Serve with lime wedges.
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Notes
Specialty Ingredients - For this recipe, you'll need Tajin Seasoning, which is a Mexican chili lime seasoning. You can buy it online or find it at almost any grocery store.Storage - Leftovers can be saved in the refrigerator for up to 3 days in an airtight container. If you find the watermelon has dried out, drizzle it with a little more olive oil.Diet/Allergy Alternatives - If you'd like this recipe to be vegan or dairy-free, leave off the Cotija cheese and add more herbs.