- Heat oven to 350 degrees. 
- In a large bowl, combine 1 1/2 cups flour and the white sugar. Cut in the *cold* butter until mixture is crumbly. 
- Press on the bottom of an ungreased 13 x 9 inch baking pan. 
- Bake for 15 minutes or until edges are lightly browned. Remove from oven. Set aside. 
- In the large bowl, combine all of the ingredients for the topping and mix well. 
- Spread over hot, partially baked crust. 
- Place back into oven and bake for 25 - 30 minutes or until golden brown. 
- Cool completely before cutting into bars. 
- recipe from family