1. Heat oven to 375°F. Grease 9-inch square baking pan.
2. Stir together flour, sugar and baking powder; cut in butter with pastry blender or fork until mixture resembles coarse crumbs. Stir in beaten egg until blended.
3. Reserve 1 cup mixture; press remaining mixture onto bottom of prepared pan. Stir jelly to soften; spread evenly over crust. Sprinkle 1 cup peanut butter chips over jelly. Stir remaining 2/3 cup chips into reserved crumb mixture; sprinkle over top.
4. Bake 25 to 30 minutes or until lightly browned. Cool completely in pan on wire rack. Cut into bars. About 16 bars.
HIGH ALTITUDE DIRECTIONS:
Increase flour to 1-1/2 cups plus 1 tablespoon.
Add 1 tablespoon water with egg.
Do not change baking time or temperature.