Oatmeal-Fudge Bars

2 cups packed brown sugar
3/4 cup margarine or butter, softened
2 eggs
2 teaspoons vanilla
2 1/2 cups Bisquick baking mix
3 cups quick cooking oats
1 package (12 ounces) semisweet chocolate chips
1 cup sweetened condensed milk
2 tablespoons margarine or butter
1/2 teaspoon salt
1 cup chopped nuts
2 teaspoons vanilla

Heat oven to 350 degrees. Grease jello roll pan, 15 1/2x10 1/2x1-inch. Mix sugar, 3/4 cup margarine, the eggs and vanilla. Mix in baking mix and oats; reserve. Heat chips, milk, 2 tablespoons margarine and the salt in 2-quart saucepan over low heat, stirring constantly, until smooth. Stir in nuts and vanilla. Press about 2/3 of the oatmeal mixture in pan with greased hands. Spread chocolate mixture over oatmeal layer. Drop remaining oatmeal mixture by tablespoonfuls onto top. Bake until light brown, about 30 minutes. Cool completely; cut into bars,a bout 2x1-inch. Makes 75 bars.