-
1
Preheat the oven to 400F.
-
2
Aggressively season both the inside and outside of the fish with salt and pepper.
-
3
Stuff the cavity with the garlic and rosemary.
-
4
Heat the olive oil over medium-high heat in a saute pan large enough to hold the fish.
-
5
Add the potato slices to the pan, one at a time, creating a single, blanket like layer.
-
6
Season the potatoes with salt and pepper, and place the fish on top of the potatoes.
-
7
Using a spatula, fold the potatoes over the fish so that its completely enveloped in the slices.
-
8
Transfer the fish to the oven and bake for 10 minutes.
-
9
Remove the fish from the oven and carefully turn it using two spatulas.
-
10
Return the fish to the oven and roast until the potatoes are nicely browned and the fish is cooked through, 10 to 15 more minutes.
-
11
To test for doneness, insert the blade of a paring knife or a metal skewer into the fish and then place it on top of your thumb, on your chin, or on your upper lip-it should be nice and hot, indicating that the heat from the oven has moved its way through the entire fish and its cooked through.
