Ingredients:
1 cup diced strawberries
1 cup diced rhubarb stalks
2 cups all-purpose flour plus 4 tablespoons (divided into 2 cups and 4 tablespoons)
2 teaspoons baking powder
½ teaspoon salt
1 egg, room temperature ¾ cup sugar
¼ cup unsalted butter plus 3 tablespoons, softened (divided into ¼ cup and 3 tablespoons)
½ cup milk
¾ cup brown sugar
Instructions:
