Heat water and butter to boiling in 2 quart saucepan, Add baking mix, all at once. Stir vigorously over low heat until mixture forms a ball, about 1 minute; remove from heat. Beat in eggs, 2 at a time, beating until smooth and glossy after each addition. Spread dough in pan (do not spread up sides) Bake until puffed and dry in center, 30 to 35 minutes. Immediatley after baking, spread pie filling over pancake; sprinkly with cinnamon and powdered sugar. Cut in rectangles. Serve while still warm. Makes 8 to 10 servings.