- Preheat the oven to 375 degrees F (190 degrees F). Grease a 9×13 inch baking dish.
- Place the tilapia fillets in the bottom of the baking dish and dot with butter. Season with Old Bay seasoning and garlic salt. Top each one with a slice or two of lemon. Arrange the frozen mixed vegetables around the fish, and season lightly with salt and pepper.
- Cover the dish and bake for 25 to 30 minutes in the preheated oven, until vegetables are tender and fish flakes easily with a fork.
Prep: 5 m
Cook: 30 m
Ready In: 35 m