Definition: In this task, you have to generate the title of the recipe given its required ingredients and directions.
Input: ingredients:  '1 cup butter or 1 cup margarine, softened', '2 cups packed light brown sugar', '2 eggs', '1 teaspoon vanilla extract', '1/2 teaspoon powdered instant coffee', '3 cups quick-cooking rolled oats', '2 1/2 cups all-purpose flour', '1 teaspoon baking soda', '1/2 teaspoon salt', '1 1/2 cups chopped walnuts, divided', 'CHOCOLATE FILLING', '1/2 cup butter or 1/2 cup margarine', '2/3 cup hershey's cocoa powder', '1/4 cup sugar', '1 (14 ounce) can sweetened condensed milk (not evaporated milk)', '1 1/2 teaspoons vanilla extract',<sep> directions: 'Heat oven to 350°F Beat butter and brown sugar in large bowl until well blended.', 'Add eggs, vanilla and instant coffee and beat until fluffy.', 'Stir together oats, flour, baking soda, salt and 1 cup walnuts; gradually stir into butter mixture with spoon (Dough will be thick).', 'Set aside 2 cups dough.', 'Press remaining dough evenly onto bottom of ungreased 15-1/2x10-1/2x1-inch jelly-roll pan.', 'Prepare CHOCOLATE FILLING; spread evenly over dough.', 'Crumble reserved dough evenly over filling. Sprinkle with remaining 1/2 cup walnuts. Bake 25 minutes or until top is golden brown (chocolate will be soft).', 'Cool completely in pan on wire rack; cut into bars.', 'About 4 dozen bars.', 'CHOCOLATE FILLING: Melt butter in medium saucepan over low heat. Stir in cocoa and sugar. Add sweetened condensed milk; cook, stirring constantly, until smooth and thick. Remove from heat. Stir in vanilla.'

Chocolate Filled Walnut-Oatmeal Bars