How do I store leftover baked fish?

Refrigerate cooked fish and vegetables for up to three days in a covered container, according to the article. Letting food cool before covering it can prevent excess moisture from forming in the container during storage. Do not separate fish and vegetables, as their juices are part of the dish. Use a wide container to ensure even cooling and reheating of fish and vegetable portions.

How should I reheat this fish?

Reheat at 350°F to the same internal temperature as specified in the article. Reheating is intended to keep the fish moist, not dry it out. Reheated vegetables may not be as crisp as when baked fresh but will add moisture to the fish. Covering is not specified for reheating. Stay with your food while it reheats and do not leave it unattended.

Can I make this ahead?

Yes, you can prep the tomatoes, onions, and peppers up to three days ahead of time, as directed in the recipe. You can also prep and package the fish fillets ahead of time for serving. When ready to cook, place the fish fillets and fresh garlic, oil, and lemon juice over the prepped vegetables. Do not bake the recipe ahead of time if you want to serve fish fillets with the texture described in the recipe.

Can I double this recipe?

Yes, double all recipe amounts and bake in two 9×13-inch pans rather than one to prevent overfilling. Two pans will help keep the vegetables below and separate from the fish in both pans. Arrange both dishes evenly so the fish cooks consistently. Rotate pans if your oven is large enough to hold both pans for even cooking.

Cod, tilapia, and sea bass are suggested white fish. The article suggests using salmon or trout for added flavor. Red and yellow bell peppers can be replaced with zucchini or asparagus. Shallots can be used instead of onions for milder flavor. Lime can be used in place of lemon. Cut-up vegetables can be used to serve under the fish to prevent the fish's juices from soaking into other vegetables.

Mediterranean Baked Fish with Lemon, Garlic, and Tender Vegetables

By Emma CollinsSep 23, 2026

Servings

Level

Easy

Jump to recipe

Prepare the tomato, onion, and bell pepper mixture ahead of time for up to three days and season the fish separately to streamline service. This baked Mediterranean-style fish dish features flaky white fish served with vegetables and herbs, including lemon, garlic, oregano, and thyme. Sauce is served with the fish.

Mediterranean Baked Fish with Lemon, Garlic, and Tender Vegetables

Tomatoes, onions, and red or yellow peppers are added as filler next to the fillets for added moisture. Cooked garlic and lemon slices and olive oil are added on top of the fillets. The fillets are wrapped in foil and cooked. This technique can be applied to precooked fillets and vegetables.

After 20 minutes of cooking, test for doneness by checking that the fillets flake easily with a fork and have a lightly charred top after 5 to 10 more minutes of cooking. Pat and separate the fillets before cooking to promote even cooking. The greatest risk when cooking fish is overcooking, which dries out the fish instead of keeping it moist.

Serve garnished with chopped parsley, after a brief rest, with couscous and green salad, roasted asparagus, and garlic bread or quinoa scented with herbs. Chill leftovers completely before refrigerating to prevent them from drying out when reheated in the oven as directed on the package for serving.

Why this recipe works

Preparing vegetables in advance can be completed three days ahead. Cooking dinner on a busy day requires layering seasoned fish with garlic, oil, and lemon.
Leftover baked fish can be kept in the refrigerator for up to three days in a sealed container and eaten as another meal.
Frozen leftovers can be stored in the freezer for up to two months for future use. The vegetable and fish dish is a good item to keep in the freezer.
Gently warming the fish and vegetables in the oven at 350 degrees helps keep the fish moist and the lemon, garlic, and herb juices on the vegetables from drying out.
Cooking in a 9×13-inch pan makes meal preparation easier, as you can prepare and place vegetables and fish ahead of time.
Batch cooking is easier when fewer separate components are required.
White fish species like cod, tilapia, and sea bass provide fish options to consumers. Species like salmon are a richer alternative.

Instructions

Preheat the oven to 400°F (200°C).

Lightly grease a 9×13-inch baking dish with olive oil.

Layer the sliced tomatoes, onions, and bell peppers evenly in the bottom of the baking dish.

Pat the white fish fillets dry and season both sides with salt, pepper, dried oregano, and thyme.

Arrange the seasoned fish fillets evenly over the vegetables.

Sprinkle the minced garlic evenly over the fish.

Drizzle olive oil over the fish and vegetables.

Place thin lemon slices on top of the fish fillets.

Cover the baking dish with aluminum foil and bake for 20 minutes.

Remove the foil and bake for another 5 to 10 minutes, until the fish flakes easily with a fork and reaches an internal temperature of 145°F (63°C).

Let the baked fish rest for a few minutes, then garnish with chopped fresh parsley and serve.

FAQ

Yes, the article says the cooked dish can be cooled and frozen in an airtight container for up to two months. According to the article, the best results are obtained by freezing the dish after steaming the fish and vegetables. Food thawed from the freezer may have a moist surface. Thawed food will not have the same appearance and flavor as freshly baked food. To make serving easier, the article suggests freezing individual servings of the dish instead of a large amount in one container.

1 / 4

Dinner Salads Fish Mediterranean Baking