Nutty Squares

1 cup (2 sticks) plus 2 Tablespoon butter, softened and divided
1/2 cup powdered sugar
2 1/2 cups flour
1/4 teaspoon salt
3/4 cup granulated sugar
1/2 cup light corn syrup
2 large eggs, beaten
1/2 teaspoon vanilla
2 cups chopped mixed nuts
1 cup M&M's
Preheat oven to 325. Lightly grease 13x9 pan; set aside. In large bowl beat 1 cup (2 sticks) butter
and powdered sugar; gradually add flour and salt until well blended. Press dough evenly onto bottom and 1/2 inch up sides of prepared pan. Bake 25 to 30 minutes or until light golden brown. In small saucepan melt remaining 2 Tablespoons butter; let cool slightly. In large bowl combine melted butter, granulated sugar, corn syrup, eggs and vanilla. Pour filling over baked crust; sprinkle with nuts and M&M's. Return to oven and bake 30 to 35 minutes or until filling is set. Remove pan to rack and cool completely. Cut into bars. Store in tightly covered container. Makes 2 dozen.