Here is a classic, tender Liver and Onions recipe featuring a silky, rich brown gravy.
The key to preventing liver from becoming tough or overly bitter is to soak it in milk or buttermilk before cooking, use a sharp pan-sear, and avoid overcooking it.
đź“‹ Ingredients
For the Main Dish:
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1 lb (450g) Beef or Calf Liver (sliced into $\frac{1}{2}$-inch thick pieces)
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2 Large Yellow Onions (sliced into rings or half-moons)
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2–3 cups Milk or Buttermilk (for soaking)
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$\frac{1}{2}$ cup All-Purpose Flour
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1 tsp Garlic Powder
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$\frac{1}{2}$ tsp Smoked Paprika
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1 tsp Salt (divided)
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$\frac{1}{2}$ tsp Black Pepper (divided)
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3 tbsp Butter (divided)
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2 tbsp Olive Oil or Vegetable Oil
For the Rich Brown Gravy:
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1 cup Beef Broth or Stock
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1 tbsp Worcestershire Sauce
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1 tbsp All-Purpose Flour (reserved from dusting or fresh)
🍳 Step-by-Step Instructions
Step 1: Tenderize and Soak the Liver
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If the liver pieces have a outer membrane or tough outer vein, trim it off with a sharp knife.
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Place the sliced liver into a shallow baking dish or bowl.
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Pour the milk or buttermilk over the liver until completely submerged.
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Cover and let soak in the refrigerator for 30 to 45 minutes. (This step draws out harsh metallic bitterness and tenderizes the meat).
Step 2: Caramelize the Onions
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Melt 2 tablespoons of butter with 1 tablespoon of oil in a large skillet over medium heat.
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Add the sliced onions along with $\frac{1}{2}$ teaspoon of salt and $\frac{1}{4}$ teaspoon of black pepper.
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Cook, stirring occasionally, for 15 to 20 minutes until deep golden brown and soft.
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Remove the onions from the skillet and set aside on a plate.
Step 3: Dredge and Pan-Sear the Liver
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Remove the liver from the milk and pat it thoroughly dry with paper towels (discard the milk).
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In a wide shallow bowl, combine the flour, garlic powder, paprika, remaining $\frac{1}{2}$ tsp salt, and $\frac{1}{4}$ tsp black pepper.
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Heat the remaining 1 tablespoon of butter and 1 tablespoon of oil in the skillet over medium-high heat.
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Dredge each piece of liver in the flour mixture, shaking off any excess.
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Place the liver in the hot skillet in a single layer (cook in batches if necessary).
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Sear for 2 to 3 minutes per side until a golden-brown crust forms.
Pro Tip: Liver cooks very quickly. The middle should remain slightly pink; overcooking will make it tough and rubbery.
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Transfer the seared liver to the plate with the caramelized onions.
Step 4: Make the Gravy & Combine
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Reduce heat to medium. Sprinkle 1 tablespoon of flour into the remaining pan drippings and whisk for 1 minute to cook out the raw flour taste.
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Slowly pour in the beef broth and Worcestershire sauce, scraping up any brown bits stuck to the bottom of the skillet with a wooden spoon.
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Simmer for 2 to 3 minutes until the gravy thickens. Taste and adjust seasoning with salt and pepper if needed.
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Return the caramelized onions and seared liver (along with any accumulated juices) back into the skillet. Coat everything in the warm gravy for 1 minute until heated through.
🍽️ Serving Suggestions
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Classic Pairing: Serve hot over a bed of buttery mashed potatoes or steamed green beans/peas.
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Storage: Best enjoyed fresh, but leftovers can be stored in an airtight container in the fridge for up to 2 days. Reheat gently on low heat to prevent toughing.