1 (12 oz.) pkg. milk chocolate chips
1 c. sweetened condensed milk
3 tbsp. butter
1 tsp. vanilla extract
1 c. chopped walnuts

Put chocolate chips in top of double boiler. Place over hot (not boiling water). Stir until melted. Place condensed milk, butter and vanilla. Blend until butter is mixed in the chocolate. Stir in nuts. Spread into lightly oiled 4 x 8 inch loaf pan or 8 inch square pan. Cool until set and firm. Cut into squares.