Venetian Calf's Liver with Onions
Venetian-style calf's liver with sweet caramelized onions, a classic Italian dish balancing tender offal with deep umami. Quick-cooking and elegant, it's the kind of restaurant dish that seems more difficult than it actually is.
- Total time
- 25 min
- Servings
- 2
- Calories
- 380
- Protein
- 32g
Ingredients
- ¾ lb calf's liver, thinly sliced
- 2 whole large yellow onions
- 3 tbsp extra-virgin olive oil
- ½ cup whole milk
- 1 tbsp white wine vinegar
- 2 tbsp fresh parsley, flat-leaf
- ½ tsp sea salt
- ¼ tsp freshly ground black pepper
Instructions
- 1
Pat the 0.75 lb of calf's liver slices completely dry with paper towels — this prevents them from releasing excess moisture during cooking, which would cause steaming rather than searing. Set the liver on a plate and let it come to room temperature while you prepare the onions, about 10 minutes.
- 2
Peel and cut 2 large yellow onions in half from root to tip. Lay each half flat and slice them very thinly — about 1/8 inch — from root end to tip, so you have long, delicate strands. Separate any pieces that clump together.
- 3
Finely chop 2 tablespoons of fresh flat-leaf parsley and set aside on a small plate.
- 4
Set a 12-inch stainless steel skillet over medium heat. Pour in 2 tablespoons of extra-virgin olive oil and add all the sliced onions. Stir gently to coat with oil.
- 5
Cook the onions low and slow for 15–18 minutes, stirring occasionally. They should turn a deep golden amber and become soft and sweet — you're not trying to rush this. The onions should smell fragrant and caramel-like, and a wooden spoon dragged through them should leave a clear trail for a few seconds before they settle back together. If the pan feels dry, add a splash of water.
- 6
Once the onions are deeply caramelized, pour in 1 tablespoon of white wine vinegar and stir to combine. Cook for 1 more minute until the smell sharpens slightly — the acidity brightens the sweetness. Remove the onions to a warm plate, leaving any oil in the pan.
- 7
Increase the heat under the same skillet to medium-high. Let it preheat for 1 minute — you want the oil to shimmer and move freely across the bottom.
- 8
Season the liver slices on both sides with 0.5 teaspoon of sea salt and 0.25 teaspoon of freshly ground black pepper, dividing evenly. Just before the pan reaches its peak heat, add 1 tablespoon of fresh extra-virgin olive oil.
- 9
Working carefully and without crowding the pan, lay the liver slices into the hot oil — you may need to work in two batches. Sear for 90 seconds on the first side without moving them — they should develop a light brown crust. Flip each slice and sear the second side for 60–90 seconds. The liver should feel gently resistant when you press it with your finger, not firm or rubbery — this means it's medium-rare in the center. If using a meat thermometer, aim for 140–145°F. Remove the liver to a clean plate immediately.
- 10
Return the caramelized onions to the skillet with the liver drippings over medium heat. Pour in 0.5 cup of whole milk and stir gently to combine, scraping up any browned bits stuck to the bottom of the pan — these tiny browned bits carry deep, concentrated flavor. Warm through for 1–2 minutes until the sauce is hot and the onions are fully coated, but do not let it boil.
- 11
Divide the liver slices between two warm plates. Spoon the creamy onion sauce over the top and garnish with the chopped fresh parsley. Serve immediately while the liver is still warm and the onions are tender. Fegato alla Veneziana is best enjoyed right away, while the textures are at their most tender.
Tools you’ll need
- paper towels
- cutting board
- sharp chef's knife
- 12-inch stainless steel skillet
- wooden spoon or spatula
- meat thermometer (instant-read)
- two warm dinner plates
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