Strawberry Cobbler

Ingredients

• 4 cups strawberries
• 1/4 tsp salt
• coarse sugar for topping
• 1/4 cup granulated sugar
• 1 tsp vanilla extract
• 1 1/2 tsp cornstarch
• 1/2 cup buttermilk
• 1 cup all-purpose flour
• 1/3 cup brown sugar
• 1/4 cup unsalted butter
• 1 1/4 tsp baking powder
• 1 tbsp unsalted butter