From @Claire Saffitz x Dessert Person
1 hr 5 min · Serves 8
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Ingredients
Preheat the oven to 400°F (200°C).
Place the blueberries in a 13x9-inch baking dish.
Add the salt, cardamom, cornstarch, lime juice, sugar, and vanilla extract to the blueberries and mix together until evenly coated.
Bake the filling until it starts to bubble, about 15 minutes.
Then 15 min of waiting
Rub the sugar and lime zest together with your hands in a bowl until aromatic.
Mix in the flour, salt, baking powder, and cornmeal.
Toss in the cooked corn kernels.
Lightly coat the frozen butter block in the dry flour mixture to prevent sticking.
Grate the frozen butter directly into the flour mixture using a box grater.
Pour in the cold heavy cream while gently folding the mixture together until the cream is incorporated and no dry spots remain.
Portion the mixture using a scoop or two spoons into separate biscuit mounds on a tray.
Place the cold biscuit mounds on top of the hot, bubbling blueberry filling, leaving space between them for heat to circulate.
Brush the tops of the biscuit mounds generously with heavy cream.
Sprinkle Demerara sugar over the tops for extra crunch and sweetness.
Return the dish to the oven and bake until the biscuits are puffed, golden brown, and the filling is bubbling, 25–30 minutes.
Then 25 min of waiting
Remove from the oven and let cool slightly before serving warm.
Then 10 min of waiting
To bake in a standard home oven, bake at 400°F (200°C) following the same two-stage process.
Cold, freshly-scooped dough over hot fruit filling ensures the biscuits bake properly without becoming gummy underneath.
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