Keto Zesty Lemon Garlic Tilapia Recipe
A Quick & Easy 20-Minute Oven-Baked Fish Dish
KEY INFO
Prep Time: 5 minutes
Cook Time: 15 minutes
Total Time: 20 minutes
Servings: 4
Calories: 245 per serving
Fat: 14g
Protein: 28g
Net Carbs: 2g
Difficulty: Easy
Dietary: Keto, Low-Carb, Gluten-Free
EQUIPMENT NEEDED
- 9×13-inch baking tray
- Small mixing bowl
- Measuring spoons
- Knife and cutting board
- Zester (or fine grater)
INGREDIENTS
Fish & Main Sauce:
- 4 tilapia fillets (450g/1lb)
- ¼ cup (60g) unsalted butter, melted
- 3 tbsp fresh lemon juice (1 large lemon)
- 1 tsp lemon zest
- 4 cloves garlic, minced
Seasonings:
- ½ tsp smoked paprika
- ½ tsp dried thyme
- ½ tsp dried oregano
- ¼ tsp salt
- ¼ tsp black pepper
Optional Garnish:
- Fresh parsley, chopped
- Lemon slices
- Red pepper flakes
METHOD
-
- Preheat oven to 400°F (200°C)
- Pat tilapia fillets completely dry with paper towels
-
- Place fillets in a single layer on baking tray
- Mix melted butter, lemon juice, zest, minced garlic, and all seasonings in a small bowl
- Pour butter mixture evenly over fillets
- Bake for 12-15 minutes until fish flakes easily with a fork and reaches 145°F (63°C)
CRUCIAL TIPS
- Always pat fish dry before seasoning – ensures better butter sauce adhesion
- Don’t overcook! Fish should be just opaque and flaky
- Let rest 2-3 minutes before serving
- For extra browning, broil for final 1-2 minutes
STORAGE & VARIATIONS
Storage:
- Refrigerate up to 2 days in airtight container
- Reheat gently at 350°F for 5-7 minutes
Common Substitutions:
- Butter → Ghee or olive oil
- Tilapia → Any white fish fillet
- Fresh lemon → 2 tbsp bottled juice + ½ tsp dried zest
Scaling:
- Recipe easily doubles – use two baking trays
- For two servings, halve all ingredients but keep cooking time same
MISTAKES TO AVOID
- Never skip drying the fish
- Don’t overcrowd the baking tray
- Avoid opening oven frequently while cooking
This recipe gives you perfectly cooked, zesty keto-friendly fish every time. The lemon-garlic butter sauce is absolutely foolproof and creates the most amazing flavor without adding unnecessary carbs. Perfect for busy weeknights when you need a quick but impressive keto meal!
