5 zucchinis, cubed
1 tablespoon olive oil
2 onions, diced
1 (16 ounce) can sliced mushrooms, drained
2 tablespoons matza meal
3 eggs
2 tablespoons mayonnaise
1 tablespoon onion soup mix

Preheat oven to 350 degrees. Place zucchini in a pot with water to cover. Bring to a boil; reduce heat and simmer until soft, about 20 minutes. Drain well. Sauté onions and mushrooms in oil until soft. Mix all ingredients together and pour into 9 x 13-inch pan. Bake for about 45 minutes.