1 tsp. = 1/4 tsp. baking soda + 1/2 tsp. cream of tartar
1 square= 3 or 4 T. cocoa + 1 T. butter
3/4 cup=1 cup bread crumbs
1 cup=1 T. lemon juice or vinegar plus sweet milk to make 1 cup (let stand 5 minutes)
10=1 large marshmallow
1 small = 1 T. minced onion