Why it works: Kale and butter work together. They rank in the top 27% of all ingredient pairs, and cooks put them together in 247 recipes. Both carry isobutyraldehyde, which smells malty, green. The science ↓
Sea Kale, Boiled
Ingredients
Directions
Prepare
Wash and brush the sea kale to remove sand and grit.
Cut out the black part of the roots and tie the shoots in small bundles.
Boil
Bring a large pot of salted water to a boil.
Add the bundles of sea kale.
Boil until tender, about 20 to 30 minutes for fresh kale or 40 to 50 minutes for stale kale.
Drain the kale.
Untie the bunches.
Serve
Serve the kale on toast with melted butter or white sauce poured over it.
Serve the kale dry without toast.
Transcribed from a scanned cookbook and modernised for today's kitchens. Where the book gave no heat or time, or said "a moderate oven", the temperatures and times here may be modern equivalents rather than the book's own figures.
Explore the science
The flavor team
The pairs that carry this dish. Each one is judged two ways: how much their aromas overlap, and how often cooks already put them together.
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Kale + buttertop 27% of all pairsSmell alikemoderateCooked together247 recipes
Shared aroma: isobutyraldehyde (malty, green).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Sea kale
- Is the vegetable being cooked, so its tenderness sets the cooking time.
- Plain melted butter or white sauce
- Adds richness and moisture to the kale when served.
The step that matters
Boil until tender. Fresh and stale kale need noticeably different times, so the cook should test for tenderness rather than rely on one fixed time. Undercooked kale stays tough and fibrous, while overcooking makes it soft and waterlogged.
“What each ingredient does” and “The step that matters” were written by Claude from this recipe’s own method and reviewed in samples by CompKitchen.
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