1Heat oven to 350°F. In large bowl, stir cookie crust ingredients until well blended. Press dough in bottom of ungreased 13x9-inch pan. Bake 14 to 16 minutes or until golden brown. Cool 10 minutes.
2Meanwhile, in 2-quart saucepan, heat orange marmalade to boiling over medium-high heat, stirring constantly. Boil 3 to 4 minutes, stirring frequently, until slightly thickened. Stir in remaining filling ingredients until well mixed. Spread evenly over cookie crust.
3Bake about 15 minutes longer or until edges are golden brown and filling is set. Cool completely, about 30 minutes. For bars, cut into 8 rows by 4 rows.