Recipe - Zucchini Napoleon

2 pound Zucchini
One fourth cup Chopped onions
3 tablespoon Margarine, pareve
4 Med.tomatoes,peel,quarter
One half teaspoon Salt
One fourth teaspoon Oregano
1 ds Pepper
1 tablespoon Floursubs. potato starch
For Passover.

Cut zucchini into 1/2" slices. Saute onions in margarine until tender. Add
tomatoes and cook 5 min. Then add zucchini, salt, oregano, and pepper. Cook
covered over low heat until zucchini is tender (abt. 12 to 15 min.) If a
thicker sauce is desired, sprinkle in flour and cook a few minutes longer.