2 1/4 cups all-purpose flour 1 tablespoon baking powder 3/4 teaspoon salt 1 stick unsalted butter, softened 1 1/4 cups light brown sugar 3 large eggs 3/4 cup whole milk 1 cup chopped pickled rhubarb STREUSEL TOPPING 1 stick unsalted butter 1/2 cup packed light brown sugar 1 1/4 cups all purpose flour 1/4 teaspoon… Read more »