Bars:

1. Preheat oven to 350 degrees.

2. Cream oil, melted butter, eggs and sugar, add liquid and dry ingredients alternately.

3. Pour into a greased jelly roll pan (11X14X2).

4. Bake 25 to 30 minutes.

Filling:

1. In a big mixer bowl, mix together all ingredients and beat for 5 minutes or until fluffy.

2. Add 1 cup puwdered sugar - beat well and spread on bars.

3. Refridgerate until frosting is ready.

Frosting:

1. Heat sugar, milk and butter in pan. Bring to a boil and boil ONE minute.

2. Remove from heat and add 1 1/4 cups semi-sweet chocolate chips and beat well with wooden spoon .

3. Cool slightly and slowly pour by spoonfuls on cooled cake. (Need to work quickly, cause it thickens quite fast.)

4. Refridgerate. Cut into bars when cool.