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.
Wipe rim with a hot, damp towel, place lid on, and screw on ring. PROCESSING PICKLES: Place jars in canning rack and lower into pot, with 5 hot water. Add hot water to cover jars by 2. Cover pot, bring water to a boil, then begin processing according to recipe. (Add 5 minutes for every 1,000-3,000-foot increment above sea level, up to 8,000 feet.)