Heat oven to 400°F Generously grease 9-inch glass pie plate with shortening or cooking spray. In medium bowl, mix brown sugar and cinnamon. Add apples; toss to coat. Set aside.
In 2-quart saucepan, heat water and butter to boiling. Reduce heat to low. Add Bisquick mix; stir vigorously until mixture forms a ball. Remove from heat. Beat in eggs, one at a time; continue beating until smooth.
Spread batter in bottom of pie plate. Arrange apples on top to within 1 inch of edge of pie plate.
Bake about 23 minutes or until puffed and edges are golden brown. Serve immediately. Drizzle with syrup, if desired.