Blackberry Lavender Cobbler

Bahan-bahan (8 porsi)

• 6 cups fresh or frozen blackberries or blueberries ((I like to use 5 cups blackberries + 1 cup blueberries))
• 1/4 -1/3 cup honey or granulated sugar ((I use 1/4 cup honey))
• 2 tablespoons fresh lemon juice
• 1 teaspoon vanilla extract
• 2 tablespoons cornstarch
• 1 tablespoon dried lavender ((optional))
• 1/4 teaspoon kosher salt
• 2 cups all-purpose flour
• 2 teaspoons baking powder
• 1 stick (8 tablespoons) cold salted butter, grated on a box grater just like cheese
• 1/2 cup buttermilk, plus more as needed
• 3 tablespoons honey
• 6 ounces cold cream cheese, cubed
• coarse sugar, for sprinkling ((optional))