3 another burgers mayonnaise Recipes

onion, finely chopped, celery, finely chopped, butter, divided, all-purpose flour, buttermilk, divided, fresh parsley, minced, salt, divided, onion salt, celery salt, pepper, divided, chicken, finely chopped (fresh or left over from another dish ), japanese-style bread crumbs, water (omit if using left over chicken), chicken , patties, big white onions, sliced, buns or 8 slices of white loaf bread, japanese mayonnaise or 2 tbsp any mayonnaise, japanese eel soy sauce (unagi sauce), japanese chili powder (toragashi powder) (optional)

soy sauce, mirin* (sweet japanese rice wine ) or medium-dry sherry, rice vinegar, minced peeled fresh gingerroot, sugar, fresh portobello mushrooms (about 1/4 lb each), stems trimmed flush with caps and reserved for another use, mayonnaise, rice vinegar, asian sesame oil, honey, shredded napa cabbage, shredded carrot, scallions, chopped fine, vegetable oil for brushing mushroom caps, sesame-seed hamburger buns, split and toasted lightly