Instructions
Preheat oven to 340 degrees. Butter an 8-inch square pan.
Heat 2 tsp. olive oil in skillet over medium heat. Sauté onions and leeks until onion is light brown and leeks are soft. Remove onion and leeks from pan. Place spinach in same skillet and cook until soft. Add salt and pepper to taste and set aside.
Mix the remaining olive oil and eggs in a stand mixer or with hand mixer. Add flour, baking powder and salt, mixing until well incorporated. Evenly fold in onion, leeks, spinach, cheese and walnuts. Place mixture in cake pan and bake for 60 minutes.
Slice into 1- to 2-inch cubes and enjoy as an appetizer.
Source
Recipe by Maartje Murphy, Northern Plains Electric Cooperative member
