Ribbon Cake
["3 c. unsifted all-purpose flour", "1 c. sugar", "1 tsp. baking powder", "1 c. (1/2 lb.) soft butter or margarine", "2 whole eggs", "1 egg white", "1/2 tsp. vanilla", "2 tsp. sugar", "jelly or jam (any flavor)"]
["Mix flour, sugar and powder.", "Blend in butter with hands until like corn meal.", "Add eggs and vanilla.", "Use spoon, work into a stiff dough.", "Divide into 2 balls, 1 twice the size of the other. On heavily floured board (1/2 cup flour), roll out the larger ball to 1/8-inch thickness.", "Place on cookie sheet (11 x 15 1/2-inches). Smooth to edges; patch corners.", "Spread jelly over top.", "Roll out remaining dough to 1/8-inch thickness and cut into 1/2-inch strips. Place diagonally across jelly 1/2-inch apart.", "Sprinkle sugar over top.", "Start baking in a 375\u00b0 oven.", "Edges will be done first.", "When edges brown (about 20 minutes), take pan from oven and cut 3-inch strip all around.", "Return pan to oven for 10 minutes.", "Remove and cut into 1-inch and 2-inch rectangles.", "Keeps 6 weeks.", "Makes about 6 dozen."]
["flour", "sugar", "baking powder", "butter", "eggs", "egg", "vanilla", "sugar"]