Vegetable Quiche with Potato Crust - Kosher.com

Ingredients

• 2 tablespoons Gefen Olive Oil
• 2 medium onions, diced
• 4 large potatoes, cooked and mashed OR grated and drained (see note)
• salt
• pepper
• 1 large zucchini, peeled and cut into half-moons
• 1 yellow squash, peeled and cut into half-moons
• 1 red pepper, diced
• 1 tomato, cubed
• 1 (4-ounce) can mushrooms
• 3 eggs
• salt, to taste
• pepper, to taste