Pear and Persimmon Mini Galettes - SippitySup

Ingredients

• 390 grams all-purpose flour (scooped and leveled, about 2 3/4 cups)
• 1 teaspoon kosher salt
• 18 tablespoons unsalted butter (very cold high-fat, European-style unsalted butter, cut into ½‑inch dice)
• 2–3 ice cubes
• ⅓ cup cold water (plus 2 tablespoons optional)
• 2 ripe but firm pears (peeled, cored and cut into ½‑inch dice)
• 4 ripe but firm fuyu persimmons (peeled and cut into ½‑inch dice)
• 1 tablespoon freshly squeezed lemon juice
• 3 tablespoons brown sugar
• 2 tablespoons corn starch
• ¼ teaspoon ground cinnamon
• 1 egg yolk (mixed with 1 teaspoon water, as egg wash)
• 1 tablespoon turbinado sugar (or as needed)