Recipe description
June 21, 2026
Leek potato casserole with cod
A comforting leek, potato, and cod bake for gentle digestion.
82%
General Gut Health Match
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Overall
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Takes about 2 minutes.
Why this recipe fits you
- Rich in fiber from leek and potato to support gut health.
- Contains lean protein from cod and healthy fats.
- Simple, comforting bake with plant-based components and gentle flavors.
Gut Health Score
How these gut-support scores are calculated
These scores are estimated from the recipe’s ingredients, nutritional profile, and gut-health relevance. They are intended as practical guidance, not as medical advice.
Fiber support
Looks at fiber-rich ingredients such as legumes, vegetables, fruit, whole grains, nuts, and seeds.
Polyphenol support
Reflects ingredients such as berries, herbs, spices, cocoa, olive oil, colorful vegetables, and other plant foods.
Diversity support
Considers the variety of plant-based ingredients used in the recipe.
Inflammation-balance support
Considers the balance between whole-food ingredients, healthy fats, added sugars, refined carbohydrates, and highly processed components.
Fermentation support
Reflects fermented ingredients or ingredients that may support microbial fermentation, such as prebiotic fibers.
Blood-sugar balance support
Considers fiber, protein, fat quality, added sugars, and the type of carbohydrates in the recipe.
Ingredients
Cod
2
piece
Leek
2
piece
Potato
4
piece
Milk, whole
1
glass
Cream
3
tablespoon
Butter
2
teaspoon
Flour
0.25
cup
Salt
1
teaspoon
Black pepper
0.5
teaspoon
Parsley
2
tablespoon
Instructions
1
Preheat the oven to 200°C (400°F).
2
Wash and slice the leeks and potatoes.
3
In a saucepan, melt the butter over medium heat, then add the leeks and cook until softened.
4
Add the sliced potatoes, salt, and pepper, and stir to combine.
5
Pour in the milk and bring to a simmer, cooking until the potatoes are slightly tender.
6
Layer the cod in a baking dish, then pour the leek and potato mixture over the top.
7
Sprinkle chopped parsley on top and bake for 25-30 minutes until golden and bubbly.
8
Serve warm with a side of greens.
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Nutrition
420 kcal
Calories
28 g
Protein
40 g
Carbohydrates
6 g
Fiber
6 g
Sugar
14 g
Fat
2 g
Saturated fat
0.9 g
Salt
FAQ
What are the key ingredients and portions in this leek potato casserole with cod?
Potatoes, leeks, cod, and a creamy base; serves about 4.
Is this casserole suitable for a gut-friendly or fiber-rich diet?
Yes: leeks and potatoes provide prebiotic fiber and polyphenols that support gentle digestion.
Can I make this dairy-free or gluten-free?
Yes—use dairy-free milk and cheese alternatives and ensure any thickener is gluten-free; for gluten-free, avoid flour (if any) or use cornstarch.
Can I use frozen cod or other white fish?
Yes; thaw frozen cod fully and pat dry; other white fish can work.
How should I serve it and what side to pair?
Pair with a simple green side or salad to boost plant diversity.
How do I store leftovers and how long?
Cool, refrigerate within 2 hours; reheat to steaming hot; leftovers keep 2–3 days.
Can I freeze the casserole?
Casserole freezes well before or after baking; cool, portion, freeze; thaw before reheating.
What internal temperature should cod reach?
Cod should reach 63°C (145°F) internal temperature for safety.
Are there substitutions for vegetables?
Yes; replace leeks with onions or shallots; add other root vegetables.
What if I don't like cod or want a different protein?
Yes: swap cod for another protein such as chicken, tofu, or beans; adjust cooking times and check doneness.
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