Butter Pecan Turtles Recipe

For crust, mix flour, 1/2 cup butter and and 1 cup brown sugar and pat into ungreased 9X13 inch pan. Lay pecans over crust. In saucepan, mix 2/3 cup butter and 1/2 cup brown sugar and cook over medium heat, stirring constantly, until mixture boils. Pour over crust and pecans. Bake 15 - 20 minutes, until caramel bubbles. Remove from oven and sprinkle with milk chocolate chips. When melted, spread out chips with knife.