How To Cook Salmon in the Slow Cooker
Serves 3 to 6
- 1 to 2 pounds
skin-on salmon fillets
Fresh ground black pepper
Sliced lemon (optional)
Sliced aromatic vegetables, like fennel, onions, or celery (optional)
- 1 to 1 1/2 cups
liquid, such as water, broth, wine, beer, cider, or a mix
6-quart or larger slow cooker (see Recipe Note for smaller slow cookers)
Parchment paper or aluminum foil
Measuring cups and spoons
Cut the salmon into pieces. I usually cut the salmon into large pieces roughly the same size of my slow cooker, placing the smaller piece on top of the larger one. You can also cut them into smaller, individual-serving fillets.
Sprinkle salmon with salt and pepper. Season the flesh side of the salmon with salt and pepper. Be generous! Sprinkle on any other spices you're using and rub them in with your fingers.
Line the slow cooker. Cut a large square of parchment or aluminum foil and press it into the slow cooker. This makes it easier to lift the delicate salmon out of the slow cooker later.
Place aromatics over the bottom of the slow cooker. If you're using them, place a layer of lemon slices and sliced aromatics on the bottom of the slow cooker. This adds flavor, but isn't strictly necessary.
Place one layer of salmon in the slow cooker. Place the larger piece of salmon skin-side down in the slow cooker. Top with more slices of lemon and aromatics, if using.
Add another layer, if needed. If you're cooking more salmon than fits in a single layer, you can add a second layer. Place a piece of parchment or foil over the first layer, lay the rest of the salmon over skin-side down, and top with aromatics. (I don't recommend adding a third layer.)
Choose your cooking liquid. The liquid helps to poach the salmon gently. It can be as simple as plain water, or as complex as a cup of amber beer with soy sauce and fish sauce mixed in. My standby is half water and half white wine. You'll need between 1 and 1 1/2 cups of liquid.
Pour the liquid over the salmon. If cooking one layer, add enough liquid to just barely cover. If cooking two layers, add enough liquid to come partway up the side of the top fillet.
Cook on LOW for 1 to 2 hours. Cover and cook on the LOW setting. The exact cooking time will vary based on your particular slow cooker, the number and thickness of your fillets, and how "done" you like your salmon. Check the salmon after 1 hour and continue checking every 20 minutes until it's done. If you prefer fully cooked salmon, check it with a thermometer in the thickest part — the fish is done when it reaches 145°F.
Remove from the slow cooker. Lift the salmon from the slow cooker by grasping the parchment or aluminum foil. Tilt the paper slightly as you lift to drain off the liquid. Serve immediately, or cool and refrigerate.
Smaller slow cookers: The process for cooking the salmon is the same, you're just limited in how much you can cook. Smaller slow cookers are ideal for a few individual fillets. You can also cook two layers stacked on top of each other.
Storage: Store leftover salmon in an airtight container in the refrigerator for up to 3 days.