Cod With Potatoes And Preserved Lemon Relish

1. 1

   Bring onion, garlic, lemongrass, thyme, peppercorns, and milk to a boil in a large saucepan. Reduce heat to low and simmer 20 minutes. Strain infused milk into a medium saucepan. Discard solids.

2. 2

   Meanwhile, cook potatoes in a large pot of boiling salted water until tender, 25-30 minutes. Drain, then peel potatoes and coarsely mash in a large bowl with 1/4 cup oil; season with salt.

3. 3

   Bring infused milk just to a boil. Add cod, reduce heat, and simmer until flesh begins to flake and is cooked through, about 5 minutes. Remove cod with a slotted spoon and transfer to a plate.

4. 4

   Combine preserved lemon, chives, lemon juice, paprika, and remaining 3 tablespoons oil in a small bowl; season relish with salt.

5. 5

   Mix 1/4 cup infused milk into potatoes. Place cod over potatoes; spoon relish over.

6. 6

   DO AHEAD:

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