Because it is mostly peanut butter, it is a very special treat for all birds. We have grosbeaks, orioles, woodpeckers, sparrows, warblers and chickadees that love eating these cakes. Even the hummingbirds come by on occasion for a taste test. Of course, the chipmunks and squirrels also love the peanut butter cakes.
Place prepared tomatoes in a saucepan and cover with water. Heat to a boil and boil gently for 5 minutes. Add lemon juice or citric acid to canning jars along with 1/2 teaspoon salt to each quart jar, if desired. Pack hot jars with hot prepared tomatoes and fill with boiling water leaving -inch head space.
Prepare the tomatoes. Wash tomatoes in fresh, potable water. Remove stems and hull the top bits out, trim out any bruised parts. Peel the tomatoes: Boil the tomatoes for 1 to 3 to 5 minutes (depending on the tomatoes) in hot water, then plunge them into a pan, sink or large bowl of very cold water. The skins will pull off easily. ( Yes, they must be peeled, to reduce the bacterial load.