Combine prunes, apples, brown sugar, water, lemon juice, salt, and cinnamon; cook 5 minutes, stirring frequently.
Remove from heat.
Cool.
Combine Ever-Ready Blend and granulated sugar in bowl.
Combine egg and milk and add to sugar mixture; stir until soft dough is formed. (If necessary, add a little more milk.) Place on lightly floured board and knead 30 seconds.
Place on lightly floured baking sheet and roll into 15x10-inch rectangle.
Spread filling down center of rectangle.
Cut 15 one-inch slits in dough along each side of filling.
Fold strips at an angle over filling, alternating strips from side to side.
Bake in moderate oven (375°F.) 40 minutes, or until done.
While hot, brush lightly with 1/2 recipe Glossy Confectioners' Glaze, if desired.