There’s something incredibly satisfying about a simple, flavorful fish dish that comes together in minutes. This oven baked tilapia with garlic butter is tender, flaky, and infused with bright lemon and rich buttery goodness.
It’s perfect for busy weeknights when you want something quick, healthy, and delicious without extra effort.
Why You’ll Love This Recipe
This dish is quick to prepare and cooks in under 15 minutes, making it ideal for weeknight dinners.
The garlic butter and lemon create a rich yet fresh flavor that pairs perfectly with mild tilapia.
It uses simple pantry ingredients you likely already have on hand.
The result is a tender, flaky fish that feels light yet satisfying.

What You’ll Need (Ingredient Highlights)
Tilapia fillets are mild and cook quickly, making them perfect for fast meals.
Butter and garlic create a rich, savory base that enhances the fish.
Lemon juice and zest add brightness and balance to the dish.
Dried herbs and paprika bring subtle warmth and depth of flavor.
Pro Tips Before You Start
Pat the tilapia dry before seasoning to help the flavors stick better.
Use fresh lemon juice for the best flavor and brightness.
Avoid overbaking, as tilapia cooks quickly and can become dry.
Use a baking dish that fits the fillets snugly to keep them moist.
How to Make Oven Baked Tilapia Garlic Butter
Step 1 – Preheat and prepare
Preheat your oven to 400°F and lightly grease a 9×13 baking dish if needed.
Step 2 – Season the fish
Season the tilapia fillets with salt, pepper, paprika, thyme, and oregano. Arrange them evenly in the baking dish.
Step 3 – Make the garlic butter sauce
In a bowl, whisk together melted butter, minced garlic, lemon juice, and lemon zest until well combined.
Step 4 – Coat the tilapia
Pour the garlic butter mixture evenly over the fillets, ensuring each piece is well coated.
Step 5 – Bake
Bake for 10 to 12 minutes until the fish flakes easily with a fork and is tender.
Step 6 – Garnish and serve
Top with red pepper flakes, chopped parsley, and lemon slices before serving.
What to Serve Them With
Serve with steamed rice or mashed potatoes to soak up the flavorful sauce.
Pair with roasted vegetables or a fresh green salad for a balanced meal.
It also goes well with pasta or crusty bread for a heartier option.
Variations / Substitutions
Swap tilapia with cod, haddock, or any mild white fish.
Use fresh herbs instead of dried for a more vibrant flavor.
Add a sprinkle of grated Parmesan for a richer finish.
Storage & Leftovers
Store leftovers in an airtight container in the refrigerator for up to 2 days.
Reheat gently in the oven or microwave to avoid drying out the fish.
FAQs
Can I make this recipe ahead of time?
It’s best served fresh, but you can prepare the sauce in advance.
How should I store leftovers?
Keep leftovers in an airtight container in the refrigerator.
Can I freeze this dish?
Freezing is not recommended as the texture of the fish may change.
Can I substitute some of the ingredients?
Yes, you can use other white fish or adjust herbs to taste.
How long does this recipe take to make?
It takes about 20 minutes from start to finish.
Is this recipe kid-friendly?
Yes, the mild flavor makes it great for all ages.
Can I make this dish gluten-free or dairy-free?
It is naturally gluten-free; use dairy-free butter if needed.
What should I serve it with?
It pairs well with rice, vegetables, or light salads.
Do I need special equipment?
No, just a baking dish and basic kitchen tools.
How do I know when it’s perfectly cooked?
The fish should flake easily with a fork and appear opaque.
Final Thoughts
This oven baked tilapia garlic butter is a simple yet flavorful dish that delivers big results with minimal effort.
It’s perfect for quick dinners, healthy eating, and anyone who loves bright, buttery seafood flavors.
Full Recipe Card
Ingredients
4 tilapia fillets
Salt and freshly ground black pepper, to taste
½ teaspoon paprika
½ teaspoon dried thyme
½ teaspoon dried oregano
4 tablespoons butter, melted
4 cloves garlic, minced
2 tablespoons lemon juice
¼ teaspoon lemon zest
1 lemon, sliced into rounds, for garnish
Red pepper flakes, for garnish
Chopped fresh parsley, for garnish
Lemon slices, for garnish
Instructions
Preheat oven to 400°F and prepare a baking dish.
Season tilapia with salt, pepper, paprika, thyme, and oregano, then arrange in the dish.
Whisk melted butter, garlic, lemon juice, and lemon zest in a bowl.
Pour the mixture over the fish evenly.
Bake for 10 to 12 minutes until the fish flakes easily.
Garnish with pepper flakes, parsley, and lemon slices before serving.
