Liver and Onions

• 1/4 cup chopped fresh scallions, for garnish
• Cooked white rice or mashed potatoes, for serving

Instructions

1. Prepare the Liver: Begin by rinsing the beef liver slices under cold water. Pat them thoroughly dry with paper towels. Place the liver in a shallow dish and pour milk over it, ensuring all pieces are submerged. Let it soak for at least 30 minutes, or up to an hour, in the refrigerator. This step helps to draw out any bitterness and tenderize the liver.
2. Drain and Dredge Liver: After soaking, remove the liver from the milk and pat each piece very dry with paper towels. Cut the liver into approximately 1 to 1.5-inch cubes or bite-sized pieces. In a shallow plate, spread out the flour. Lightly dredge each piece of liver in the flour, shaking off any excess. Set aside.
3. Sauté the Onions: Heat 1 tablespoon of cooking oil in a large, heavy-bottomed skillet or Dutch oven over medium heat. Add the thinly sliced onions and cook, stirring occasionally, for 10-15 minutes, or until they are very soft, translucent, and beginning to caramelize to a golden brown. This slow cooking develops their sweetness. Remove the onions from the skillet and set them aside.
4. Sear the Liver: Add the remaining 1 tablespoon of cooking oil to the same skillet over medium-high heat. Once the oil is shimmering, add the floured liver pieces in a single layer, working in batches if necessary to avoid overcrowding the pan. Sear for 2-3 minutes per side, just until they are nicely browned on the exterior. The liver should still be slightly pink in the center at this stage. Remove the seared liver from the skillet and set aside with the onions.
5. Build the Sauce Base: Reduce the heat to medium. Add the minced garlic and grated ginger to the skillet. Sauté for 1 minute until fragrant, being careful not to burn the garlic.
6. Combine Sauce Ingredients: Pour in the beef broth, soy sauce, oyster sauce, brown sugar, and rice vinegar. Stir well, scraping up any browned bits from the bottom of the pan to incorporate all the flavor. Bring the sauce to a gentle simmer.
7. Return Liver and Onions to Skillet: Add the seared liver and sautéed onions back into the simmering sauce. Stir gently to coat everything. Reduce the heat to low, cover the skillet, and let it simmer for 10-15 minutes. This allows the liver to finish cooking through and absorb the flavors of the sauce, becoming incredibly tender.
8. Thicken the Sauce: In a small bowl, whisk together the cornstarch and cold water to create a smooth slurry. Uncover the skillet and slowly pour the cornstarch slurry into the simmering sauce while stirring constantly. Continue to stir for 1-2 minutes until the sauce thickens to your desired consistency – it should be glossy and coat the back of a spoon.
9. Season and Serve: Stir in the freshly ground black pepper. Taste and adjust seasoning if necessary (you may need a pinch more sugar or a dash more vinegar depending on your preference). Garnish generously with chopped fresh scallions. Serve immediately over a bed of warm white rice or alongside creamy mashed potatoes to soak up every last drop of that delicious, rich sauce.

Cooking Tips and Variations

To truly master this robust liver and onions dish, a few key techniques and considerations will make all the difference. Firstly, the quality of your liver matters. Opt for fresh, bright-looking beef liver from a reputable butcher. While the recipe focuses on beef liver, chicken liver can be a delicious, milder alternative if you’re new to liver; just be sure to adjust cooking times as chicken liver cooks much faster. The soaking step in milk is non-negotiable for tender, less “gamey” liver. Don’t skip it! It helps to remove any metallic notes and contributes to a smoother texture. When searing the liver, ensure your pan is hot enough to get a good brown crust quickly, but do not overcrowd the pan. Searing in batches prevents the temperature from dropping, which would steam the liver instead of browning it. Remember, liver cooks very quickly, so aim for a medium-rare sear before it goes into the sauce; it will finish cooking during the simmering phase. Overcooked liver is tough liver, and that’s what gives this dish a bad reputation.

For the onions, patience is a virtue. Caramelizing them slowly on medium-low heat until they are deeply golden and jam-like is crucial for developing their natural sweetness, which beautifully balances the savory richness of the sauce and the liver. Don’t rush this step. The sauce is the heart of this dish, providing its signature savory stew-like character. Using a combination of soy sauce and oyster sauce creates a profound umami depth that’s hard to beat. The touch of brown sugar balances the saltiness, while rice vinegar adds a hint of brightness to cut through the richness. Feel free to adjust these to your taste. If you prefer a spicier kick, a pinch of red pepper flakes or a dash of chili garlic sauce can be added to the sauce. For extra umami, a splash of Worcestershire sauce or a few dried shiitake mushrooms (rehydrated and sliced) can be incorporated into the sauce base.