1. Preheat oven to 400°F. Peel all potatoes and place them immediately in a large bowl of cold water.

2. Add 2 tablespoons of oil to a 9×13 inch baking dish and place it in the preheating oven.

3. In a large bowl, whisk together 7 eggs, ¾ cup oil, salt, and pepper until well combined.

4. Peel and quarter onions, then pulse in food processor with the knife blade until finely minced.

5. Add most of the onion to the egg mixture but leave a little in the processor bowl.

6. Remove potatoes from water and pat dry with a clean dish towel. Cut potatoes in half lengthwise.

7. Switch to the grating blade on your food processor and grate all potatoes.

8. Add grated potatoes directly to the egg mixture in the large bowl.

9. Mix potato and egg mixture thoroughly with your hands or a fork until everything is well combined.

10. Carefully remove hot baking dish from oven using oven mitts.

11. Pour potato mixture into the hot oil and spread evenly with a spatula.

12. Bake at 400°F for 1 hour, then reduce heat to 350°F and bake another 30 minutes until golden and crispy.

13. Let kugel rest for 5-10 minutes before cutting and serving.