
Choux pastry is one of those magical kitchen achievements that looks impossibly elegant but comes down to just a handful of simple, bladder-friendly ingredients — water, butter, flour, eggs, a pinch of salt, and a touch of sugar. For anyone managing interstitial cystitis, finding baked goods and dessert shells that skip the usual acidic, citrus-heavy, or artificially flavored components can feel like a constant challenge, but this dough is naturally free of those common triggers. The technique is the star here: cooking the dough on the stovetop before adding eggs creates those famously light, hollow shells that puff dramatically in the oven. The two-stage baking method — starting hot, then dropping the temperature without opening the door — ensures a crisp, golden exterior that won't collapse. Once cooled, the shells are endlessly versatile, ready to be filled with whatever IC-friendly cream or custard you love. Piercing each shell and letting them dry in the residual oven heat is the small but crucial step that keeps the insides from turning soggy. Whether you pipe them into round puffs or long éclairs, the result is a showstopping pastry that feels indulgent without the ingredient anxiety.
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Preheat the oven to 425°F (220°C). Line a large baking sheet with parchment paper.
Combine the water, butter, sugar, and salt in a medium saucepan over medium-high heat, stirring occasionally, until the butter is fully melted and the mixture comes to a full rolling boil.
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