Peanut Butter 'N Fudge Filled Bars
["2 c. firmly packed brown sugar", "1 c. butter or margarine (soft)", "1/4 c. plus 2 Tbsp. peanut butter, divided", "2 eggs", "2 c. all-purpose flour", "1 tsp. baking soda", "1/4 tsp. salt (optional)", "2 c. oats (quick or old fashioned), uncooked", "1 (14 oz.) can sweetened condensed milk", "1 (12 oz.) pkg. semi-sweet chocolate pieces", "2/3 c. chopped pecans"]
["Heat oven to 350\u00b0.", "Grease a 13 x 9-inch pan.", "In large bowl, beat brown sugar, butter and 1/4 cup peanut butter until light and fluffy.", "Beat in eggs.", "Add combined flour, baking soda and salt. Beat until well mixed.", "Stir in oats; mix well. Reserve 1 cup oat mixture; set aside.", "Spread remaining oat mixture evenly onto prepared pan."]
["brown sugar", "butter", "peanut butter", "eggs", "flour", "baking soda", "salt", "oats", "condensed milk", "semi-sweet chocolate pieces", "pecans"]