Pat the mangrove snapper dry with paper towels.
Add olive oil to a pan and fry your fish for three to five minutes.
Remove the fish and set it on a plate.
Melt butter and add lemon slices to a pan. Turn off the heat when the lemon caramelizes.
Add garlic, capers, and the snapper back to the pan, and cook for three minutes.
Spoon the sauce over the fish.
Remove the fish from the pan.
Add parsley, pepper, and salt to enjoy your dish.