Blueberry Special - cooking recipe

Ingredients

30 graham crackers, crushed
1/2 c. margarine
1/2 c. sugar
3 c. blueberries, frozen or fresh
1 c. sugar
1 Tbsp. cornstarch
water
1 pt. cream, whipped
1 to 2 c. miniature marshmallows

Preparation

Mix first 3 ingredients well and line bottom of pan with half of the mixture.
Cook until thick the blueberries, sugar and cornstarch mixed with small amount of water.
Whip cream and fold marshmallows into cream.
Add alternate layers of mixtures: crumbs, blueberries, cream, ending with crumbs.
Chill.