Panela is a mild Mexican-style cheese found in many supermarkets; if you can't find it, use mozzarella cheese instead.
Pull off and discard the tomatillo husks. Rinse tomatillos and thinly slice into a bowl.
Add orange juice, lime juice, 1/4 teaspoon salt, and 1/4 teaspoon pepper; mix gently.
Rinse, core, and thinly slice tomatoes. Cut cheese into very thin slices. Arrange both on a flat plate.
Spoon tomatillo mixture over tomatoes and cheese. Sprinkle with cilantro; season to taste with salt and pepper. Accompany with chili-cumin chips.
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