Sauté onions and garlic in olive oil until onions are tender.
Arrange tilapia fillets on individual foil squares a few inches longer than the fillet. Drizzle lightly with olive oil. Sprinkle with Jalapeno Dust. Spread/smash onion mixture on top of fish.
Mix together orange juice and lemon and pour evenly over fish. Fold foil over fish and pinch ends together. Put foil packets on backing sheet and bake at 400 degrees for 15-20 min.
Remove fish from foil and arrange on plate. Sprinkle with chopped cilantro and paprika. Garnish with orange slices.