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Baked rainbow trout and butter bean gratin

Name: Baked rainbow trout and butter bean gratin
Prep time: 15 min
Cook time: 15 min
Total time: 30 min
Yield: Serves 4
Ingredients: 3 tbsp olive oil, plus extra for drizzling; 1 leek, sliced; 3 garlic cloves, crushed; Finely grated zest and juice 1 lemon, plus extra to serve; 400g can butter beans, drained; 2-3 heads spring greens, thick stems removed, leaves roughly torn; 300ml single cream; 4 tbsp chopped dill, plus extra to serve; 75g fresh breadcrumbs (we used sourdough for extra texture and flavour); 4 sustainable rainbow trout fillets

By: Jess Meyer
Former deputy food editor, delicious.

Published: 11 May 21
Updated: 18 Mar 24

Baked rainbow trout and butter bean gratin

This easy gratin recipe will be on the table in just 30 minutes. A simple butter bean and leek gratin with creamy dill sauce and sourdough breadcrumbs is topped with baked rainbow trout.

Get out of a weekday dinner rut with dozens more midweek meal recipes, including our delicious halloumi-topped lentil stew.

Easy
May 2021

Test kitchen approved

Serves 4
Hands-on time 15 min

This easy gratin recipe will be on the table in just 30 minutes. A simple butter bean and leek gratin with creamy dill sauce and sourdough breadcrumbs is topped with baked rainbow trout.

Get out of a weekday dinner rut with dozens more midweek meal recipes, including our delicious halloumi-topped lentil stew.

Nutrition: per serving

Calories: 556kcals
Fat: 31g (12g saturated)
Protein: 36.9g
Carbohydrates: 27.6g (6.4g sugars)
Fibre: 9.3g
Salt: 0.6g

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Ingredients

3 tbsp olive oil, plus extra for drizzling
1 leek, sliced
3 garlic cloves, crushed
Finely grated zest and juice 1 lemon, plus extra to serve
400g can butter beans, drained
2-3 heads spring greens, thick stems removed, leaves roughly torn
300ml single cream
4 tbsp chopped dill, plus extra to serve
75g fresh breadcrumbs (we used sourdough for extra texture and flavour)
4 sustainable rainbow trout fillets

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Method

Heat the oven to 180ºC fan/gas 6. Heat 2 tbsp olive oil in a frying pan over a medium heat. Add the leek and cook for 5 minutes until beginning to soften. Add the garlic and cook for 1 minute. Next add the lemon zest and juice, butter beans, spring greens and plenty of seasoning. Cook for 2-3 minutes until the greens begin to wilt. Stir in the cream and half the dill, then transfer to a medium baking dish.
Toss the breadcrumbs with the remaining oil, dill and some salt. Sprinkle over the beans and bake for 15 minutes until golden and bubbling.
Put the trout on a lined baking tray, drizzle with a little olive oil and season. Put in the oven, below the gratin, for the last 6 minutes of cooking.