1. Heat oven to 350°F. Lightly grease 13x9x2-inch baking pan.
2. Beat butter, brown sugar, egg and vanilla in large bowl until creamy. Stir together flour, baking soda and salt; gradually add to butter mixture, beating until blended. Spread evenly in prepared pan.
3. Bake 12 to 15 minutes or until lightly browned; remove from oven. Do not turn oven off. Cool crust about 5 minutes.
4. Meanwhile, prepare VANILLA BUTTER FILLING; spread evenly over crust. Sprinkle cherries, apricots, raisins, chocolate chips and nuts over top. Return to oven. Bake 15 minutes or until center is set. Cool completely in pan on wire rack. Cut into bars. Makes about 24 bars.
VANILLA BUTTER FILLING
2 tablespoons sugar
2 tablespoons milk
1 tablespoon butter or margarine, melted
1/2 teaspoon vanilla extract
1/3 cup all-purpose flour
1/2 teaspoon baking soda
1/4 teaspoon salt
Beat sugar, milk, butter, egg and vanilla in small bowl until smooth. Add flour, baking soda and salt; beat until well blended. About 2/3 cup filling.