This recipe was clipped from an old newspaper, date unknown. Recipe is typed below along with a scanned copy.
Plum bars
2 cups sliced prune plums
1 1/2 cups flour
1 1/2 cups uncooked quick cooking or old fashioned oats
1 cup brown sugar
1 tsp. baking powder
3/4 cup butter
1/4 tsp. salt
Prepare plums. Mix together flour, oats, brown sugar and baking powder. Cut in butter until crumbly. Spoon 2/3 of mixture into a 9×13-inch pan and pat down firmly. Arrange sliced plums over top. Sprinkle with remaining crumb mixture. Bake at 300 degrees for 35 minutes. While warm, cut into bars. Makes approximately 2 1/2 dozen bar cookies.