Preheat oven to 375 degrees. Place all ingredients except oats and nuts in blender for 2-3 seconds if using raw onion. Otherwise simply stir to mix. Place mixture in sauce pan and simmer for 3 minutes, then remove from heat and stir in quick oats and nuts. Allow to cool. Make patties. Bake for 30 minutes flipping after 15 minutes. Bake until golden brown.