01 -
Preheat the oven to 375°F (190°C). Line a baking sheet with parchment paper.
02 -
In a large mixing bowl, combine the flour, baking powder, sugar, and salt. Add the shredded butter and toss with the flour.
03 -
Add the buttermilk and beaten egg to the dry ingredients. Mix until just combined, being careful not to over-mix. Fold in the blackberries and white chocolate chips.
04 -
Turn the dough onto a floured surface. Pat into a 1-inch thick square and cut into 9 large squares or 12 smaller squares.
05 -
Place the squares on the prepared baking sheet. Brush the tops with cream. Bake for 20-22 minutes, or until golden brown.
06 -
In a saucepan over medium heat, warm the milk and butter until steaming. Remove from heat and stir in the lavender, cover, and steep for 5 minutes. Strain through a fine-mesh strainer, then stir in vanilla and powdered sugar to taste.
07 -
Serve the scones warm, drizzled with lavender glaze and butter, if desired.