brown sugar, packed, divided
milk chocolate pieces
1Combine flour, 1 cup brown sugar and softened butter in large mixer bowl.
2Beat at medium speed of electric mixer 2-3 minutes or until mixture resembles fine crumbs.
3Pat mixture evenly onto bottom of ungreased 13x9" baking pan.
4Sprinkle pecans evenly over crumb mixture.
5Combine 2/3 cup butter and remaining 1/2 brown sugar in small saucepan.
6Cook and stir over medium heat until entire surface is bubbly.
7Cook and stir 1/2 to 1 minute more.
8Pour into pan, spreading evenly over crust.
9Bake in 350 degree oven 18-20 minutes or until entire surface is bubbly.
10Remove from oven; immediately sprinkle with chocolate pieces.
11Let stand 2-3 minutes to allow chocolate to melt; use knife to swirl chocolate slightly.
12Cool completely in pan on wire rack.
13Use sharp knife to cut into 48 bars.