Small-Batch Blackberry Cobbler with Buttery Shortbread Topping

Ingredients

• 6 ounces blackberries ((approximately 1-1/4 cup))
• 1-2 tablespoons water ((see the notes if using frozen fruit))
• ¼ teaspoon vanilla
• ¼ cup all-purpose flour
• 1 to 2 tablespoons brown sugar ((see notes below))
• Dash cinnamon
• ¼ teaspoon salt
• 1 tablespoon butter (melted)