01 -
Place the unsalted butter in the freezer for 15 minutes to ensure it is adequately chilled before use.
02 -
Preheat oven to 175°C. In a large mixing bowl, combine light brown sugar and cornstarch; stir until the mixture resembles sand and lumps are broken up. Add peaches, honey, vanilla extract, lemon juice, ground cinnamon, nutmeg, ginger, and salt. Stir gently until peaches are evenly coated.
03 -
Transfer peach mixture to a lightly greased 23 x 33 cm (9 x 13 inch) baking dish. Bake uncovered for 10 minutes. Remove from oven and set aside.
04 -
In a separate small bowl, whisk together sour cream and milk. Refrigerate this mixture until ready to incorporate into the biscuit layer.
05 -
In a large bowl, whisk together all-purpose flour, granulated sugar, baking powder, baking soda, and salt.
06 -
Cut the chilled butter into small cubes. Add to flour mixture and use a pastry cutter or fork to blend until coarse crumbs are formed.
07 -
Pour the chilled sour cream and milk mixture along with honey over the dry ingredients. Using a silicone spatula, combine gently until a crumbly dough forms. Take care not to overmix.
08 -
Distribute biscuit dough by hand in rustic, uneven pieces over the peach filling in the dish, leaving small gaps for steam to escape.
09 -
Combine beaten egg and 1 tablespoon milk. Brush the mixture over the surface of the biscuit layer. Sprinkle the top evenly with granulated sugar and ground cinnamon.
10 -
Bake uncovered at 175°C for 45–55 minutes, until the topping is golden, the filling is bubbling, and a toothpick inserted into biscuit comes out clean.
11 -
Allow to cool at room temperature for 5 minutes before serving. Enjoy with a scoop of vanilla ice cream if desired.