INGREDIENTS
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1 cup almond flour
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1/4 cup lupin flour
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5 Tablespoons butter (softened)
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2 egg yolks
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1/8 teaspoon Salt
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4 T butter
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2 large onions (halved and sliced thin)
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3 eggs
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3/4 teaspoon Salt
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1/2 teaspoon pepper
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1 cup heavy cream
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Pinch of nutmeg
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1/3 cup gruyere (finely grated)