admin 10 min. 30 min.
Stir dry ingredients together. With mixer on low, add butter in pieces & continue to beat until mixture is well-blended and resembles wet sand, about 2 minutes. Press 2/3 to 1 cup of mixture into bottom of 9x13 baking pan. Bake at 350 degrees until light brown, about 15-20 minutes.
Gently spread jam preserves over hot crust. Sprinkle remainder of crumbs over Jam layer. Bake at 350 degrees 25-30 minutes until golden brown.