Trucha a la piedra is a delightful grilled trout dish served on heated slate. Cooking the trout on slate creates an impressive presentation while locking in flavor. Bright lemon and a blend of herbs season the fish perfectly, and a strip of salt-cured bacon adds a savory touch.

We served trucha a la piedra with sautéed espinaca and trinxat for a traditional Andorran-style meal. Trout thrives in the crystal-clear streams of Andorra, a tiny mountainous country where the fishing season typically runs from mid-March through mid-November. You’ll find native brown trout alongside rainbow and brook trout, and many locals enjoy fly-fishing in these high mountain waters. It’s an inviting place for anglers and food lovers alike.
If you want more recipes and cultural food stories, join our culinary journey around the world — it’s free. Follow International Cuisine on Instagram, Facebook, Pinterest and YouTube to keep up with new posts and videos.
Please note: this page contains affiliate links. I may earn a small commission at no extra cost to you. Thank you for your support!

Trucha a la piedra – Grilled Trout on slate seasoned with parsley, oregano, savory & lemon
Ingredients
- 4 fresh rainbow trout, cleaned
- 2 lemons — one sliced into rounds, the other cut into wedges for serving
- 8 sprigs of fresh flat-leaf parsley
- 4 sprigs of fresh savory (or tarragon as a substitute)
- 4 small sprigs of fresh oregano
- 4 pieces salt-cured bacon
- lemon pepper, to taste
- sea salt, to taste
- olive oil, for rubbing
- 2 12 x 12 cm pieces of slate (optional) Optional — available at hardware stores that sell flooring materials.
Instructions
-
Season the inside of each cleaned trout with sea salt and lemon pepper.
-
Stuff each fish with a sprig of parsley, savory and oregano. If you don’t have savory, tarragon works well as a substitute.
-
Add 2–3 lemon slices inside each trout for bright citrus flavor.
-
Rub the exterior of the fish lightly with olive oil.
-
Place a piece of bacon on the slate, then set the trout on top. You can usually cook two trout per 12 x 12 slate piece.
-
Heat your grill to medium-high.
-
Place the slate with the fish directly on the hot grill.
-
Cook until the skin is nicely charred, then carefully flip the trout. Keep the bacon beneath the fish so it flavors the underside. Avoid overcooking; the flesh should remain moist and flaky.
-
When done, remove the hot slate from the grill and set it on heat-resistant pads or trivets.
-
Garnish the trout with extra parsley sprigs and lemon wedges.
-
The slate retains heat well, keeping the fish warm at the table.
-
Serve immediately — squeeze additional lemon over the trout and enjoy.
Nutrition