Firehouse Onions - cooking recipe

Ingredients

6 large Spanish onions
1 c. ketchup
1 1/4 lb. stick butter or margarine

Preparation

Thinly slice the onions and place them in a saucepan.
Cover with water and add butter or margarine.
Simmer until onions are soft.
Just before serving, add the ketchup and mix well.
Heat a few minutes and serve.