Given the task definition, example input & output, solve the new input case.
In this task, you have to identify the named entities (NER) which are the ingredients required given its directions. Named entities are the names of the items without their quantity.
Example: Preheat oven to 375 degrees., Boil syrup, sugar and shortening over medium heat, stirring constantly., Remove from heat., Gradually stir in flour and nuts., Drop by teaspoonfuls about 3 inches apart on lightly greased cookie sheet., Bake 5 to 6 min., Remove from oven and let stand 5 min, before removing from sheet., May be rolled into cylindrical shape while still hot., If cooled too much, return to oven for a minute., Yield: 4 dozen cookies.
Output: flour, nuts, corn syrup, shortening, brown sugar
This is a good example, as we see the NER is generated correctly from the directions.

New input case for you: saute onion on low to med heat., with 2 tablespoons butter until caramelized, 15-20 min and set aside, stir together luke warm water, sugar, salt and yeast let it "bloom" (let yeast work, it will become a bit foamy, and be very fragrant), wait about 5 mins, add egg, flour, and milk and 2 tablespoons of melted butter, mix together, stir for 3 mins, add in onions, stir in a additional 1 1/2 - 2 cups of flour to make dough stiff, place dough on well floured surface, lightly knead, until no longer sticky, may need a bit more flour, divide into 8 parts, shape into flat buns; place on greased cookie sheet, cover with a towel, and let rise in a warm place until very light or doubled in size 45-60 mins, bake at 375 for 12-15 mins or until golden brown
Output:
yeast, water, white sugar, salt, egg, flour, warm milk, onion, butter, poppy seeds