1 1/2 c. walnuts (6 oz.) chopped coarse
2/3 c. butter
1 c. packed light brown sugar
1 can (14 oz.) sweetened condensed milk
1 1/2 tsp. vanilla

Line an 8 inch square pan with foil, letting foil extend above 2 sides. Grease lightly.

Spread nuts in a 9 inch Microwave pie plate. Microwave uncovered on high 6 to 7 minutes, stirring 3 times until toasted.

Melt butter in a 2 1/2 or 3 quart microwave bowl. Stir in sugar and milk until blended. Microwave uncovered on high 7 to 9 minutes, stirring 4 times until mixture thickens and is a caramel color.

Add vanilla. Beat with an electric mixer 3 to 4 minutes until shiny. Add walnuts and beat on low speed 1 minute. Spread in prepared pan. Cool then cover and refrigerate until firm. Cut into 1 inch squares.