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1
Combine the base batter ingredients — rice flour, thin coconut milk, sugar, and salt — and whisk until smooth and fully lump-free, because any unhydrated pockets of rice flour will cook as hard specks in the finished pancake. The batter should flow easily when poured; it is deliberately thin. Combine the top batter ingredients — thick coconut cream, the smaller measure of rice flour, sugar, and salt — and stir until uniform, then rest both batters briefly so the flour fully absorbs the liquid and the poured batter flows evenly without surging.
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2
Set the khanom krok pan — cast iron or earthenware, with hemispherical indentations of approximately 5 cm diameter and 2 cm depth — over medium heat. When the pan is hot, brush each indentation with oil, working the brush around the full curve so the batter releases cleanly rather than tearing at the rim. The oil should shimmer and coat the curve without pooling.
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3
Fill each indentation two-thirds full with the base batter, leaving room for the top layer that follows, then set the lid in place so the trapped steam cooks the surface gently rather than leaving it raw and wet. Cook for 2–3 minutes; the base is ready when the edges are set and very slightly pulling away from the pan wall, with a faint crispness at the rim, while the centre remains slightly mobile.
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4
This is where the dish lives or dies. Spoon one tablespoon of the top batter over each partially set base, filling the indentation completely to the rim — the base must be firm enough to support the cream batter without the two batters merging below the interface, yet not so far set that no gentle union occurs at the boundary, because that soft join is what gives each pancake its layered contrast of textures. Too early and the batters collapse into each other, destroying all contrast; too late and the top sits on a fully rigid base with no integration. The correct moment is judged by the set edge and the still-soft centre of the base.
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5
Replace the lid and cook for a further 2 minutes so the retained heat finishes the top layer without direct scorching, which would tighten the cream and turn it grainy. The top is done when it is just set — trembling at the very centre when the pan is nudged, with no liquid movement at the edges — and it should not be firm throughout.
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6
Remove each pancake with a small spatula, working carefully around the curved wall of the indentation so the base stays intact. Press two halves together, flat face to flat face, and serve immediately — the contrast between the slightly crisp neutral base and the creamy coconut top is at its peak while warm.