I came across this recipe in The Pioneer Woman Cooks
book by Ree Drummond
Featured Pinch Tips Video
Melt butter in a microwavable bowl or the baking pan..
In a medium bowl add flour and sugar with 1/4 cup set aside stir with whisk...Pour in melted butter, milk (OPT-1 Tbsp Sherry) (minus 1 Tbsp Milk) and stir with whisk till nice and smooth....Pour into greased baking pan evenly place blackberries on top spreading out evenly...sprinkle 1/4 cup remaining sugar on top....