Pineapple Crumb Bars

2 cups graham cracker crumbs
1/2 cup softened margarine or butter
1 cup flour
3/4 cup quick cooking oats
1 cup chopped nuts

Heat oven to 400 degrees.

Mix crumbs and margarine in large bowl. Stir in flour and oats and nuts. Press half the mixture in greased pan.

Prepare pineapple filling below and spread over mixture. Then top with rest of crumb mix. Press down lightly.

Bake until top is light brown (25-30 minutes).

PINEAPPLE FILLING:
1/3 cup sugar
1 tbsp. cornstarch
3 (8 oz.) cans crushed pineapple, undrained

Mix all together, boil and stir 1 minute over medium heat or until thickened.