2 c. uncooked oats
1 1/4 c. flour
1 c. butter
1/2 tsp. baking soda

Mix oats, flour, soda, and butter until crumbly like pie dough. Butter 9 x 9 inch cake pan. Spread 1/2 crumbly mixture, pressing firmly into pan. Spread mincemeat on top. Press remaining mixture on top of mincemeat. Bake at 350 degrees for 40 minutes.