Peanut Butter Fantasy Fudge

3 cups sugar
cup margarine
2/3-cup evaporated milk
1-teaspoon vanilla
1-cup peanut butter
2 cups marshmallow cream

Combine sugar, margarine and milk in heavy 2- quart saucepan. Bring to a rolling boil, stirring constantly. Continue boiling 5 minutes over medium heat. Stir in peanut butter until blended. Add marshmallow cream and vanilla until well blended. Pour into greased 13X9 inch pan. Cool at room temperature. Cut into squares.