1 pkg. white or yellow cake mix
1 stick butter
3/4 c. oatmeal
1/2 c. brown sugar
1 1/2 c. raspberry jam
3 tbsp. lemon juice

Blend dry ingredients with softened butter. Press half into 9x13 inch pan. Spread warmed jam mixed with lemon juice. Cover with rest of dry ingredients. Bake at 350 degrees for 20 minutes until golden brown.