Skip to content
Salmon

How to Cook Frozen Salmon (No Thawing)

Updated Oct 31, 20269 min readReviewed for accuracy

Quick answer: To cook frozen salmon, preheat the oven to 400F (204C), place the salmon fillets on a parchment-lined baking sheet, brush with oil or butter, season with salt and pepper, and bake for 25-30 minutes or until the internal temperature reaches 145F (63C).

Cooking frozen salmon without thawing is a convenient way to enjoy this nutritious fish without the wait time required for defrosting. This method works well for busy weeknights or when you need a quick meal solution. Frozen salmon can be cooked using various methods such as baking, pan-searing, or grilling, but baking is the most straightforward and forgiving technique. The key is to ensure the salmon reaches a safe internal temperature of 145F (63C) while maintaining its moisture and flavor.

When cooking frozen salmon, it’s important to adjust cooking times and temperatures to account for the lack of thawing. The direct heat from the oven or pan will gradually defrost and cook the salmon, but you need to be mindful of potential overcooking. This guide will provide detailed instructions for baking frozen salmon, along with tips for achieving the best results, variations to try, and answers to common questions about cooking frozen salmon.

Prep5 minutes
Cook25-30 minutes
Total30-35 minutes
Serves4 servings

What you’ll need

  • 1 lb frozen salmon fillets (about 4 fillets)
  • 2 tablespoons olive oil or melted butter
  • 1 teaspoon salt
  • 1/2 teaspoon black pepper
  • 1 lemon, sliced
  • 2 cloves garlic, minced
  • 1 tablespoon fresh dill or parsley, chopped
  • Optional: lemon pepper seasoning, garlic powder, or onion powder

How to cook frozen salmon: step by step

  1. Preheat your oven to 400F (204C) and line a baking sheet with parchment paper or aluminum foil for easy cleanup.
  2. Remove the frozen salmon fillets from their packaging and place them on the prepared baking sheet, spacing them evenly apart.
  3. Brush the top of each salmon fillet with olive oil or melted butter to help prevent drying and add flavor.
  4. Season the salmon generously with salt and black pepper. For extra flavor, sprinkle with lemon pepper seasoning, garlic powder, or onion powder.
  5. Scatter the minced garlic evenly over the salmon fillets, then place lemon slices on top of each fillet.
  6. Bake the frozen salmon in the preheated oven for 25-30 minutes, depending on the thickness of the fillets. If your fillets are particularly thick, you may need to add 5 minutes to the cooking time.
  7. Check the internal temperature of the salmon using an instant-read thermometer. The salmon is done when it reaches 145F (63C) in the thickest part of the fillet.
  8. Once cooked, remove the salmon from the oven and let it rest for 3-5 minutes. This allows the juices to redistribute, keeping the salmon moist.
  9. Garnish with fresh dill or parsley before serving. Optionally, squeeze fresh lemon juice over the top for added brightness.
  10. Serve the salmon with your choice of sides such as roasted vegetables, rice, or a fresh salad.

How to know when it’s done

The key to perfectly cooked frozen salmon is reaching the correct internal temperature while maintaining moisture and flavor. The USDA recommends cooking salmon to an internal temperature of 145F (63C). At this temperature, the salmon will be opaque and flake easily with a fork. Be careful not to overcook the salmon, as it can become dry and lose its delicate texture. If you don’t have a meat thermometer, look for salmon that is just starting to flake and has turned from translucent to opaque.

The cooking time may vary depending on the thickness of the salmon fillets and the accuracy of your oven. Thicker fillets will require longer cooking times, while thinner ones will cook more quickly. It’s better to err on the side of slightly undercooking the salmon, as it will continue to cook from residual heat after being removed from the oven. If you prefer your salmon well-done, you can cook it for a few extra minutes, but monitor it closely to avoid drying it out.

Tips for the best frozen salmon

For extra flavor, marinate the frozen salmon before cooking. A simple mixture of olive oil, lemon juice, garlic, and herbs can be applied directly to the frozen fillets. The marinade will infuse the salmon as it cooks, adding depth of flavor.

To prevent the salmon from sticking to the baking sheet, use parchment paper or a nonstick silicone baking mat. This will also make cleanup easier. If you don’t have either, lightly oil the baking sheet before placing the salmon on it.

For a crispy skin, place the salmon skin-side down on the baking sheet and brush the skin with oil before cooking. This will help the skin become crisp while the rest of the salmon remains moist.

If you want to add more flavor, consider using a spice rub or topping the salmon with a compound butter made from butter, herbs, and spices. This can be applied before or after cooking.

For a complete meal, add vegetables such as asparagus, cherry tomatoes, or sliced zucchini to the baking sheet with the salmon. Drizzle them with olive oil and season with salt and pepper for a simple roasted side dish.

Variations & other methods

Try cooking frozen salmon using different methods such as pan-searing or grilling. For pan-searing, heat a nonstick skillet over medium-high heat, add oil, and cook the frozen salmon for 5-6 minutes per side until browned and cooked through. For grilling, preheat the grill to medium-high heat and cook the salmon for 8-10 minutes per side, using a grill basket to prevent sticking.

Experiment with different seasonings and flavor profiles. For example, you can use Cajun seasoning for a spicy kick, or try a teriyaki glaze for an Asian-inspired dish. You can also add toppings such as crumbled feta cheese, sliced olives, or capers for extra flavor.

For a more indulgent dish, top the cooked salmon with a creamy sauce such as hollandaise or a dill cream sauce. This can be served over rice or pasta for a heartier meal.

Incorporate the cooked salmon into other dishes such as salmon cakes, salmon salads, or salmon tacos. The options are endless and can be customized to suit your taste preferences.

For a low-carb option, serve the salmon with cauliflower rice or a bed of greens such as spinach or arugula. This is a great way to enjoy the salmon without adding extra carbs.

What to serve with it

Cooked frozen salmon can be served in a variety of ways depending on your preference and the occasion. For a simple meal, serve the salmon with a side of roasted vegetables and a grain such as quinoa or brown rice. This provides a balanced meal that is both nutritious and satisfying.

For a more elegant presentation, serve the salmon with a fresh salad and a lemon vinaigrette. You can also add a side of roasted potatoes or sweet potatoes for a heartier meal. If you’re serving the salmon as part of a larger spread, consider offering a variety of sauces and toppings such as tartar sauce, tzatziki, or salsa for guests to choose from.

Storing & reheating

Leftover cooked salmon can be stored in an airtight container in the refrigerator for up to 3 days. Make sure to cool the salmon completely before storing it to prevent bacterial growth. When reheating, add a splash of water or broth to the container and cover it with a lid to keep the salmon moist.

If you want to store the cooked salmon for longer, you can freeze it for up to 3 months. Wrap the salmon tightly in plastic wrap or aluminum foil, then place it in a freezer-safe bag or container. To reheat, thaw the salmon in the refrigerator overnight and reheat it in a preheated oven at 350F (177C) for 10-15 minutes or until heated through.

Common mistakes to avoid

One common mistake when cooking frozen salmon is overcooking it, which can result in dry, tough fish. To avoid this, check the internal temperature frequently and remove the salmon from the oven as soon as it reaches 145F (63C).

Another mistake is not seasoning the salmon enough. Frozen salmon can sometimes lose some of its flavor during the freezing process, so it’s important to season it generously. Don’t be afraid to experiment with different herbs, spices, and marinades to enhance the flavor.

Using the wrong cooking method can also be a mistake. While baking is the easiest method for cooking frozen salmon, other methods such as pan-searing or grilling can be more challenging due to the moisture content of the frozen fish. If you want to try a different method, make sure to adjust the cooking time and temperature accordingly.

Not allowing the salmon to rest after cooking is another mistake. Resting allows the juices to redistribute, resulting in a more flavorful and moist salmon. If you skip this step, the juices may run out when you cut into the salmon, leaving it dry.

Finally, using low-quality salmon can be a mistake. When cooking frozen salmon, it’s important to choose a high-quality product to ensure the best flavor and texture. Look for wild-caught salmon if possible, as it tends to be more flavorful and nutritious than farmed salmon.

Frequently asked questions

Can I cook frozen salmon in a microwave?

While it is possible to cook frozen salmon in a microwave, it is not recommended as it can easily overcook and become rubbery. The microwave can also affect the texture of the salmon, making it less enjoyable. For best results, use an oven or stovetop to cook frozen salmon.

How long does it take to cook frozen salmon in a pan?

Cooking frozen salmon in a pan will take about 5-6 minutes per side, depending on the thickness of the fillets. Make sure to preheat the pan over medium-high heat and use oil to prevent sticking. The salmon is done when it is browned on both sides and reaches an internal temperature of 145F (63C).

Can I cook frozen salmon from frozen in a slow cooker?

Yes, you can cook frozen salmon in a slow cooker, but it is important to adjust the cooking time and temperature. Cook on low for 2-3 hours or until the salmon is cooked through and reaches an internal temperature of 145F (63C). Avoid cooking on high as it can cause the salmon to overcook and become dry.

What is the best way to thaw frozen salmon?

The best way to thaw frozen salmon is to place it in the refrigerator overnight. This slow thawing process helps preserve the texture and flavor of the salmon. If you need to thaw the salmon more quickly, you can place it in a sealed plastic bag and immerse it in cold water for 30 minutes to an hour, changing the water every 15 minutes.

Can I cook frozen salmon with the skin on?

Yes, you can cook frozen salmon with the skin on. In fact, cooking salmon with the skin on can help keep the fish moist and add flavor. When cooking with the skin on, make sure to place the salmon skin-side down on the baking sheet or pan. This will help the skin become crispy while the rest of the salmon remains tender.

More salmon guides