Equipment
Ingredients
French Green Lentils
- 200 g french green lentils, dry
- 20 ml olive oil
- 2 shallot, finely diced
- 1 carrot, peeled and finely diced
- 1 celery rib, finely diced
- 2 garlic, minced
- 500 ml vegetable broth, liquid
- 3 fresh thyme sprigs, whole
- 1 dried bay leaf, whole
- 4 g kosher salt
- 1 g black pepper, freshly ground
- 15 ml sherry vinegar
Pan-Fried Monkfish and Finish
- 700 g monkfish tail fillets, trimmed and cut into 4 equal portions
- 4 g kosher salt
- 1 g black pepper, freshly ground
- 15 ml olive oil
- 30 g unsalted butter, chilled, cubed
- 15 ml sherry vinegar
- 15 g fresh flat-leaf parsley, finely chopped
Nutrition (per serving)
Nutrition is estimated per serving. Nutrients without complete source data are omitted.
Full nutrition
- Calories
- 472 kcal
- Protein
- 39 g
- Carbohydrates
- 41 g
- Fat
- 18 g
- Fiber
- 7 g
- Sodium
- 1216 mg
- Saturated Fat
- 6 g
- Potassium
- 1247 mg
- Calcium
- 72 mg
- Iron
- 5.6 mg
- Magnesium
- 73 mg
- Phosphorus
- 521 mg
- Zinc
- 2.6 mg
- Vitamin A
- 248 mcg
- Vitamin C
- 14 mg
- Water
- 323 g
Sources: Aggregated Public Data, USDA FoodData Central
Method
Rinse 200 g French green lentils thoroughly under cold running water in a fine-mesh sieve and allow excess moisture to drain completely.
Heat 20 ml olive oil in a medium saucepan over medium heat at approximately 160°C (320°F), then add the diced shallot, carrot, and celery, cooking for 5 minutes while stirring with a wooden spoon until the vegetables soften without browning.
Add the minced garlic, 3 sprigs of fresh thyme, and 1 bay leaf to the saucepan, stirring continuously for 1 minute until fragrant.
Pour in 500 ml vegetable broth along with the drained lentils, raise the heat to bring to a boil, then immediately lower heat to low, cover with the lid, and simmer gently for 25 minutes until the lentils are tender to the bite but retain their whole shape.
Remove the lid, discard the thyme sprigs and bay leaf, then stir in 4 g kosher salt, 1 g black pepper, and 15 ml sherry vinegar; cover and keep warm over the lowest heat setting.
Pat the trimmed monkfish tail fillets completely dry with paper towels to ensure a crisp crust, and season evenly on all surfaces with 4 g kosher salt and 1 g black pepper, washing hands and wiping prep surfaces immediately afterward to prevent cross-contamination.
Heat 15 ml olive oil in a 12-inch heavy skillet over medium-high heat at 190°C (375°F) until the oil shimmers across the pan.
Carefully lay the seasoned monkfish fillets into the hot skillet and sear undisturbed for 4 minutes until a deep golden, crisp crust forms on the bottom side.
Turn the monkfish fillets over using tongs, add 30 g cubed unsalted butter to the pan, and cook for another 4 minutes while repeatedly spooning the foaming melted butter over the tops until an instant-read digital thermometer inserted into the thickest part reads at least 63°C (145°F) and the flesh is opaque and separates easily.
Transfer the seared monkfish to a clean plate and allow it to rest for 2 minutes to let the juices redistribute.
Spoon equal portions of the warm seasoned French green lentils into the center of four shallow serving plates.
Place one rested monkfish medallion directly atop the bed of lentils on each plate.
Drizzle the remaining 15 ml sherry vinegar evenly over the top of each monkfish medallion and surrounding lentils, sprinkle with 15 g chopped fresh flat-leaf parsley, and serve immediately.
Chef's Notes
- Monkfish is renowned for its dense, sweet, lobster-like texture, making it uniquely suited to high-heat pan-searing and butter-basting without falling apart like delicate white fish.
- Removing the thin, translucent grey membrane around the tail fillet is mandatory; leaving it on causes the meat to curl tight and turn leathery under heat.
- Authentic French Puy green lentils contain less starch and firmer skins than standard brown lentils, which allows them to absorb aromatics while maintaining distinct, al dente texture.
- Adding the sherry vinegar at the very end of the lentil cooking and as a finishing drizzle balances the rich butter basting liquor with lively acidity.
Storage
Refrigerator: 2 days — Store the fish and lentils in separate airtight glass containers. Cool down promptly and refrigerate within 2 hours of cooking.
Reheating: Reheat lentils in a saucepan over medium-low heat with 30 ml of water or broth to an internal temperature of 74°C (165°F). Reheat monkfish fillets gently in an oven preheated to 160°C (325°F) for 6 to 8 minutes until warmed through to a safe minimum internal temperature of 63°C (145°F).
Troubleshooting
Monkfish texture is tough and rubbery rather than tender
Cause: The tough, purplish outer membrane was not fully trimmed prior to cooking, or the fillets were overcooked beyond 63°C (145°F)
Fix: Cannot be fixed once overcooked or contracted; slice thinly across the grain to minimize chewiness
Prevention: Ensure the fishmonger or cook strips away all silver-skin and outer casing completely, and monitor with an instant-read thermometer to remove the fish promptly at 63°C (145°F)
Lentils are mushy and split open
Cause: Lentils were boiled vigorously instead of gently simmered, or cooked longer than the recommended duration
Fix: Drain excess cooking liquid and puree the lentils with a splash of olive oil into a smooth bed of lentil velvet
Prevention: Keep the saucepan at a very low simmer with tiny bubbles and test tenderness beginning at the 20-minute mark
Fish releases liquid and turns pale instead of developing a golden crust
Cause: Surface moisture was left on the fillets, or the skillet was not sufficiently hot when adding the fish
Fix: Cannot be fixed without severely overcooking the interior; finish cooking as a gentle pan-poach in the butter baste
Prevention: Thoroughly blot all surfaces of the monkfish with paper towels before seasoning and wait until the oil in the pan shimmers
Cultural Context
Known as lotte in France, monkfish was once considered an unappealing catch discarded by commercial fishermen, but it evolved into a celebrated staple of French bistros and haute cuisine. Pairing firm, sweet white fish with Puy lentils originated in the rustic cooking traditions of central France, particularly Auvergne, where lentils have held protected designation status since 1996. The contrast between coastal seafood, hearty legumes, and a vibrant vinegar splash exemplifies modern bistro gastronomy.
