Baked Tilapia Fillets with Olives and Creamy Mashed Potato Crust
Tender tilapia fillets baked over a bed of tomatoes and onions, topped with black olives, a silky mashed potato layer, and melted mozzarella. A hearty, crowd-pleasing dish that comes together in just 30 minutes.
🛒 Ingredients
6 servings
- 1 kg tilapia fillets
- Juice of half a lemon
- 4 tomatoes, sliced into rounds
- 4 onions, sliced into rounds
- 1/2 cup chopped black olives
- 500 g cooked potatoes
- 1 tablespoon butter
- 1/2 cup heavy cream
- 300 g shredded mozzarella
- Olive oil
- Salt
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Directions
- 1
Season the tilapia fillets with lemon juice and salt. Set aside for 10 minutes.
- 2
In a baking dish, arrange a layer of onion rounds followed by a layer of tomato slices.
- 3
Place the seasoned fish fillets on top of the vegetables.
- 4
Cover with another layer of onions and tomatoes, then scatter the chopped olives over everything. Drizzle generously with olive oil.
- 5
Bake in a hot oven (200 °C / 400 °F) for 15 minutes. Remove and set aside.
- 6
In a bowl, mash the cooked potatoes until smooth.
- 7
In a saucepan, melt the butter, add the mashed potatoes and heavy cream. Stir over low heat until creamy and well combined. Season with salt.
- 8
Spread the creamy mash evenly over the fish, then top with shredded mozzarella.
- 9
Return to the oven for 5 minutes until the cheese is melted and lightly golden. Serve immediately.
💡 Chef's Tip
Add a pinch of nutmeg to the mash for extra depth of flavor. Swap mozzarella for cheddar or gruyère for a bolder taste.
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