1 c. graham crackers
1 tbsp. soft butter
1/2 c. non-fat dry milk
1/2 c. well-chilled orange juice
1 egg white
1 tbsp. lemon juice
1/4 c. sugar
1 (8 oz.) can unsweetened crushed pineapple

Mix graham cracker crumbs and butter. Reserve 1/3 cup crumbs. Press remaining crumbs in ungreased baking dish 8 x 8 x 2 inches. In mixer bowl, beat dry milk, orange juice and egg white on high 3 minutes. Blend in sugar on low speed, about 1/2 minute. Fold in pineapple. Pour in pan, sprinkle with reserved crumbs. Freeze 8 to 10 hours.