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.
Canning Basics for Preserving Food. 1  The boiling water bath method is safe for tomatoes, fruits, jams, jellies, pickles and other preserves. 2  In this method, jars of food are heated completely covered with boiling water (212 F at sea level) and cooked for a specified amount of time.afe Canning Methods There are two safe ways of processing food, the boiling water bath method and the pressure canner method: The boiling water bath method is safe for tomatoes, fruits, jams, jellies, pickles and other preserves.