STEP 1: Heat oven to 350°F. Spray 13x9-inch pan with cooking spray.
STEP 2: In large bowl, beat butter, granulated sugar and brown sugar with electric mixer on medium speed until light and fluffy. Add apple butter, eggs and vanilla; beat until well blended.
STEP 3: On low speed, beat in flour, baking soda and salt until well blended. Stir in apple and cinnamon chips. Spread batter in pan.
STEP 4: Bake 28 to 32 minutes or until edges begin to pull away from sides of pan and top is evenly browned. Cool in pan on cooling rack at least 1 hour.
STEP 5: In small bowl, mix glaze ingredients until thin enough to drizzle. Drizzle glaze over bars. For bars, cut into 8 rows by 4 rows.