INGREDIENTS
1 1/2 cups
graham cracker crumbs (about 12 cookie sheets)
3 tbsp
butter, melted
2 tbsp
2% reduced-fat milk
Cooking spray
3 cups
blackberries
1/4 cup
fresh lemon juice
1/4 tsp
salt
4
large egg whites
1 cup
plus 2 tablespoons sugar
6 tbsp
water
Fresh blackberries (optional)
Fresh mint sprigs (optional)