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Preheat oven to 375 degrees Fahrenheit.
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In a small bowl, add in all of the dry seasonings and mix together. Set aside.
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Lightly brush olive oil over the fish, and season the fish with half of the seasoning. Repeat to the other fish fillets.
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Take one sheet of foil, add one sheet of parchment to the center, add 1⁄2 tablespoon of olive oil to the center of parchment sheet. Top with half of the onions and half of the red peppers. Add in the fish and top with a squeeze of lime juice and half of the cilantro.
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Repeat the same process with the other fish and sheets.
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With the remaining sheet, top the fish and line the foil corners together. Taking one side at a time, fold the ends 2 times to make and envelope out of it. Continue with the remaining three corners to seal and create a packet with some air in the center. Do not poke. Repeat with the other fish to create the same packet.
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Place packets onto a baking sheet and bake for 17-20 minutes. Serve warm.