4 illustrated blueberry Recipes

unsalted butter, frozen whole (see note above), blueberries, fresh , about 7 1/2 oz, picked over (see note), whole milk, sour cream, unbleached all-purpose flour , plus additional, all-purpose flour , for work surface (10 oz), sugar , plus, sugar, for sprinkling (3 1/2 oz), baking powder, baking soda, table salt, lemon zest, grated

unbleached all-purpose flour (10 oz), baking powder, table salt, egg, granulated sugar (7 oz), unsalted butter, melted and cooled slightly, sour cream (10 oz), frozen blueberries, preferably wild

blueberries, sugar, water, salt, water, unflavored gelatin, whole milk greek yogurt, heavy cream, lemon zest, grated, fresh lemon juice, vanilla extract, salt, egg whites, sugar, cream of tartar