Equipment
Ingredients
Pork
- 600 g boneless pork loin chops, patted dry
- 5 g kosher salt
- 2 g black pepper, freshly ground
French Onion Sauce
- 15 ml olive oil
- 30 g unsalted butter
- 350 g yellow onions, halved and thinly sliced
- 2 garlic, minced
- 60 ml dry white wine
- 250 ml beef broth
- 4 fresh thyme, whole sprigs
- 100 g creme fraiche
- 30 g dijon mustard
Nutrition (per serving)
Nutrition is estimated per serving. Nutrients without complete source data are omitted.
Full nutrition
- Calories
- 381 kcal
- Protein
- 39 g
- Carbohydrates
- 11 g
- Fat
- 20 g
- Fiber
- 2 g
- Sugar
- 5 g
- Sodium
- 944 mg
- Saturated Fat
- 8 g
- Trans Fat
- 0 g
- Monounsaturated Fat
- 7 g
- Polyunsaturated Fat
- 1 g
- Cholesterol
- 115 mg
- Potassium
- 811 mg
- Calcium
- 73 mg
- Iron
- 1.4 mg
- Magnesium
- 59 mg
- Phosphorus
- 400 mg
- Zinc
- 2.5 mg
- Vitamin A
- 86 mcg
- Vitamin C
- 8 mg
- Vitamin D
- 0.9 mcg
- Vitamin E
- 1.1 mg
- Vitamin K
- 5 mcg
- Vitamin B6
- 0.7 mg
- Vitamin B12
- 0.7 mcg
- Thiamin
- 1.10 mg
- Riboflavin
- 0.40 mg
- Niacin
- 13.0 mg
- Folate
- 21 mcg
- Water
- 288 g
- Alcohol
- 2 g
Sources: USDA FoodData Central
Method
Season the pork chops evenly on both sides with the kosher salt and black pepper.
Heat the olive oil in a large skillet over medium-high heat. Sear the pork chops for 3 to 4 minutes per side until deeply golden brown.
Remove the pork chops from the skillet using tongs and transfer them to a plate to rest.
Reduce the heat to medium. Melt the butter in the same skillet, then add the sliced onions. Cook for 10 minutes, stirring occasionally with a wooden spoon, until the onions are deeply browned and softened.
Add the minced garlic to the caramelized onions and cook for 1 minute until highly fragrant.
Pour the white wine into the skillet to deglaze, vigorously scraping the bottom with your wooden spoon to release the flavorful browned bits. Cook until the wine has almost completely evaporated.
Pour in the beef broth and add the fresh thyme sprigs. Simmer for 5 minutes, allowing the liquid to reduce by half and develop a slightly syrupy consistency.
Reduce the heat to low. Discard the thyme sprigs. Whisk or stir the creme fraiche and Dijon mustard into the onion mixture until a smooth, creamy sauce forms.
Return the resting pork chops and any accumulated juices to the skillet. Gently nestle them into the sauce and simmer for 2 minutes to warm through and finish cooking. The internal temperature of the pork should register 63C/145F.
Chef's Notes
- Creme fraiche is ideal here because its higher fat content makes it resistant to splitting compared to standard sour cream, offering a velvety finish without the stress.
- For a truly authentic French onion soup flavor profile without the long wait, combining a hard initial sear on the onions with high-quality beef stock accelerates the Maillard reaction.
- Do not discard the resting juices from the pork chops. They contain immense flavor and natural gelatin that helps give the final sauce a beautiful, glossy sheen.
- If your pork chops have a thick fat cap, score the fat with a knife before cooking and render it by standing the chops on their side using tongs. This builds an even better base for cooking your onions.
Storage
Refrigerator: 3 days — Store in an airtight container. Sauce will thicken significantly when chilled.
Reheating: Reheat gently in a skillet over medium-low heat. Add a splash of water or broth to loosen the sauce if necessary to prevent the dairy from splitting.
Troubleshooting
Pork chops are tough and dry
Cause: The pork was overcooked either during the initial sear or the final simmer
Fix: Cannot be fixed once fully overcooked, but slicing the meat thinly and letting it soak in the rich sauce can help mask the dry texture
Prevention: Sear over high enough heat to develop a crust quickly without cooking the center, and use a meat thermometer to ensure the final internal temperature does not exceed 63C/145F
Sauce looks curdled or split
Cause: The heat was too high when adding the creme fraiche or the sauce boiled aggressively
Fix: Remove from heat immediately and whisk vigorously with a tiny splash of hot water to re-emulsify
Prevention: Always reduce heat to low or remove from heat entirely before stirring in dairy
Onions burned instead of browning
Cause: The skillet was too hot after searing the pork chops, lacking sufficient moisture
Fix: Remove any deeply blackened onions immediately; if the entire batch tastes bitter, start the onions over to avoid ruining the sauce
Prevention: Lower the heat appropriately before adding onions and add a splash of water if they begin to darken too quickly
Cultural Context
Drawing inspiration from the iconic Soupe a l'Oignon Gratinee, this dish reimagines the soul-warming qualities of French bistro fare as an accessible weeknight meal. By combining the slow-cooked depth of beef broth and caramelized onions with the assertive bite of Dijon mustard from the Burgundy region, it creates a robust flavor bridge that perfectly complements mild proteins like pork.
