I am in the middle of making Merissa's Raspberry Filling, which is
delish and ran out of corn starch Is there anything I can use as a substitute. Cake is due tomorrow
For 1 tablespoon cornstarch, substitute 2 tablespoons all-purpose flour;
1 tablespoon potato flour or rice flour
4 teaspoons quick-cooking tapioca;
2 teaspoons arrowroot.