Apple Streusel Bars

2 cups quaker oats

1 ¼ cup sugar

1 cube margarine, melted

2 ½ cups flour

2 tsp baking powder

Heat oven to 375 degrees.  Combine oats, flour, sugar and baking powder.  Mix well.  Add margarine, mixing until moistened.  Reserve 2 cups; set aside.  Press remaining oat mixture into bottom of 9 x 13 inch baking pan.  Bake 15 minutes.

Filling

3 cups peeled thinly sliced apples (about 3 medium)

2 tbsp flour

one 12 ounce jar (1 cup) raspberry or apricot preserves

For filling, combine apples and flour.  Stir in preserves.  Spread onto crust to within ½ inch of edge.  Sprinkle reserved oat mixture.  Bake 30 to 35 minutes until lightly brown.