2 1/4 c. quick cooking oatmeal
2 1/4 c. flour
1 1/2 c. brown sugar (firmly packed)
1 c. plus 2 tbsp. butter
3/4 tsp. baking soda

Mix together oatmeal, flour, brown sugar and soda. Cut in butter. Put 2/3 (about 4 2/3 cups) of crumb mixture into a greased 12 x 8 x 2 inch pan. Press down firmly. Spread with filling. Sprinkle with rest of crumb mixture.

Bake at 350°F for 30 - 35 minutes.

Pineapple Filling:

1/2 c. sugar
2 tbsp. cornstarch
2 1/4 c. crushed pineapple
1 1/2 tbsp. lemon juice

Simmer all ingredients, stirring occasionally until thick. Cool before using.