If you don't have 1 tablespoon CORNSTARCH substitute 2 tablespoons flour or 2 teaspoons quick cooking tapioca.
If you don't have 3/4 cup of CRACKER CRUMBS substitute 1 cup bread crumbs.
If you don't have 1 teaspoon DRY MUSTARD substitute 1 tablespoon prepared mustard.
If you don't have 1 tablespoon of FRESH HERBS substitute 1 teaspoon dried herbs.
If you don't have 10 MINIATURE MARSHMALLOWS substitute 1 large marshmallow.
If you don't have 1 small FRESH ONION substitute 1 tablespoon minced onion, rehydrated.
If you don't have 1/2 cup BROWN SUGAR substitute 2 tablespoons molasses in 1/2 cup granulated sugar.
If you don't have 1 cup POWDERED SUGAR substitute 1 cup granulated sugar plus 1 teaspoon cornstarch.
If you don't have 1 cup TOMATO JUICE substitute 1/2 cup tomato sauce plus 1/2 cup water.