Blueberry Cobbler – In The Curious Kitchen

Ingredients

• 2 and 1/2 cups all purpose flour, plus more for the work surface
• 5 tablespoons of sugar
• 2 and 1/2 teaspoons baking powder
• 1/4 teaspoon kosher salt
• 9 tablespoons (1 stick plus 1 tablespoon) cold, unsalted butter, cut into cubes
• 1 cup cold heavy cream
• 1 large egg
• 1 teaspoon cold water
• 8 pints fresh blueberries, stemmed and rinsed
• 1 cup sugar
• 2 tablespoons fresh lemon juice
• 3 tablespoons cornstarch