Quick & Easy Fudge

1/2 c. butter, cut up
1/2 c. milk
1 - 12 oz - pkg. semi sweet real chocolate chips
4 c. powdered sugar
1 tsp. vanilla
1/2 chopped walnuts
1. Combine butter, milk, & chocolate chips in med. saucepan.
Cook and stir over low heat til melted.
2. Pour into large mixer bowl, Add powdered sugar and vanilla.
Beat at med. speed til smooth. Stir in walnuts.
Pour into buttered 8 in square pan. Cover and refrigerate til firm.
use 9 x 13 dish if doubling the receipe.