洋葱（Onions）是老爹餐厅管理系列游戏中使用的一种食材。
在老爹披萨店/To Go!/HD，老爹汉堡店/HD/To Go!以及老爹卷饼店!/HD/To Go!中，洋葱是一种标准的配料食材，在游戏开始即可使用。在老爹汉堡店HD/To Go!，当玩家服务30份带有洋葱的订单时，即可获得“I'm Not Crying”成就
在老爹热狗店/HD/To Go!中，洋葱是一种标准的热狗配料。当玩家达到等级 2时，它亦会与Scooter共同解锁。
在老爹意面店/To Go!中，洋葱是一种标准意大利面配料。当玩家达到等级 35时，它亦会与Sarge Fan共同解锁。
在老爹三明治店/To Go!中，炒洋葱（Sauteed Onions）是一种标准的三明治配料。当玩家达到等级 20时，它亦会与Matt共同解锁。
订购该食材的顾客[]
披萨店[]
汉堡店[]
- Akari
- Alberto
- Carlo Romano
- Cecilia
- Chuck
- Clair
- Clover
- Doan
- Edna
- Gino Romano
- Kayla
- Kingsley
- Lisa
- Maggie
- Mandi
- Mary
- Matt
- Mindy
- Mitch
- Peggy
- Prudence
- SargeFan!
- Sasha
- Timm
- Wally
卷饼店[]
- Bruna Romano
- Cecilia
- Chuck
- Connor
- Doan
- Georgito
- Kayla
- Kingsley
- Maggie/Mitch
- Nick
- Olga
- Roy
- Sarge Fan!
- Sue
- Timm
- Tohru
- Vicky
- Wally
- Akari （终结者）
- Robby （终结者）
汉堡店HD[]
- Akari
- Captain Cori
- Cecilia
- Clair
- Clover
- Doan
- Edna
- Gino Romano
- Gremmie
- Hank
- Ivy
- Kayla
- Kingsley
- Lisa
- Maggie
- Mandi
- Mary
- Mindy
- Mitch
- Peggy
- Sarge Fan!
- Sasha
- Timm
- Wally
- Zoe
- Robby （终结者）
- Quinn （终结者）
热狗店[]
- Scooter（解锁人）
- Akari
- Allan
- Big Pauly
- Bruna Romano
- Captain Cori
- Carlo Romano
- Clair
- Cletus
- Clover
- Foodini
- Franco
- Hank
- James
- Kingsley
- Lisa
- Maggie
- Mandi
- Marty
- Matt
- Mindy
- Mitch
- Nick
- Papa Louie
- Penny
- Professor Fitz
- Prudence
- Rico
- Rita
- Robby
- Roy
- Sarge Fan!
- Shannon
- Skyler
- Timm
- Tohru
- Vicky
- Wendy
- Zoe
- Bertha （终结者）
- Pinch Hitwell （终结者）
汉堡店To Go![]
- Akari
- Captain Cori
- Cecilia
- Clair
- Clover
- Doan
- Edna
- Gino Romano
- Gremmie
- Hank
- Ivy
- Kayla
- Kingsley
- Lisa
- Maggie
- Mandi
- Mary
- Mindy
- Mitch
- Sarge Fan!
- Sasha
- Timm
- Wally
- Robby （终结者）
- Quinn （终结者）
意面店[]
- Sarge Fan（解锁人）
- Carlo Romano
- Cecilia
- Cletus
- Clover
- Foodini
- Franco
- James
- Johnny
- Lisa
- Nevada
- Olga
- Wendy
- Zoe
- Radlynn （终结者）
披萨店To Go![]
- Akari
- Big Pauly
- Chuck
- Cletus
- Doan
- Edna
- Gino Romano
- James
- Kayla
- Olga
- Olivia
- Professor Fitz
- Prudence
- Rico
- Sarge Fan
- Shannon
- Taylor
- Vicky
- Zoe
- Trishna （终结者）
三明治店[]
- Matt（解锁人）
- Cletus
- Crystal
- Edna
- Hope
- Kingsley
- Little Edoardo
- Mandi
- Mayor Mallow
- Nick
- Ninjoy
- Prudence
- Rico
- Sarge Fan
- Scooter
- Shannon
- Skyler
- Trishna
- Wally
- Radlynn （终结者）
卷饼店HD[]
- Alberto
- Bertha
- Boomer
- Brody
- Bruna Romano
- Cecilia
- Cherissa
- Chuck
- Connor
- Crystal
- Deano
- Doan
- Foodini
- Georgito
- Gremmie
- Hank
- Hope
- Janana
- Johnny
- Julep
- Kahuna
- Kayla
- Kingsley
- Matt
- Mayor Mallow
- Nevada
- Nick
- Ninjoy
- Olivia
- Penny
- Pinch Hitwell
- Prudence
- Radlynn
- Roy
- Santa
- Sarge Fan
- Scarlett
- Skyler
- Steven
- Sue
- Timm
- Tohru
- Trishna
- Utah
- Vicky
- Wally
- Wendy
- Akari （终结者）
- Robby （终结者）
卷饼店To Go![]
- Alberto
- Bertha
- Boomer
- Brody
- Bruna Romano
- Cecilia
- Cherissa
- Chuck
- Connor
- Crystal
- Deano
- Doan
- Foodini
- Georgito
- Gremmie
- Hank
- Hope
- Janana
- Johnny
- Julep
- Kahuna
- Kayla
- Kingsley
- Matt
- Mayor Mallow
- Nevada
- Nick
- Ninjoy
- Olivia
- Penny
- Pinch Hitwell
- Prudence
- Radlynn
- Roy
- Santa
- Sarge Fan
- Scarlett
- Skyler
- Steven
- Sue
- Timm
- Tohru
- Trishna
- Utah
- Vicky
- Wally
- Wendy
- Wylan B
- Akari （终结者）
- Robby （终结者）
披萨店HD[]
- Akari
- Big Pauly
- Boomer
- Cherissa
- Chuck
- Cletus
- Doan
- Edna
- Elle
- Gino Romano
- James
- Kayla
- Olga
- Olivia
- Professor Fitz
- Prudence
- Rico
- Shannon
- Taylor
- Trishna
- Vicky
- Vincent
- Zoe
- Sarge Fan （终结者）
热狗店HD/To Go![]
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- Scooter（解锁人）
- Akari
- Allan
- Big Pauly
- Bruna Romano
- Captain Cori
- Carlo Romano
- Clair
- Cletus
- Clover
- Foodini
- Franco
- Hank
- Indigo
- James
- Kingsley
- Lisa
- Maggie
- Mandi
- Marty
- Matt
- Mindy
- Mitch
- Nick
- Papa Louie
- Penny
- Professor Fitz
- Prudence
- Rico
- Robby
- Sarge Fan
- Scarlett
- Shannon
- Skyler
- Steven
- Timm
- Tohru
- Trishna
- Vicky
- Wendy
- Wylan B
- Zoe
- Bertha （终结者）
- Whiff （终结者）
三明治店To Go![]
- Matt（解锁人）
- Cletus
- Crystal
- Drakson
- Edna
- Elle
- Hope
- Indigo
- Janana
- Kasey O
- Kingsley
- Little Edoardo
- Mandi
- Mayor Mallow
- Moe
- Mousse
- Nick
- Ninjoy
- Prudence
- Rico
- Sarge Fan
- Scooter
- Shannon
- Skyler
- Steven
- Trishna
- Wally
- Whiff
- Wylan B
- Radlynn （终结者）
使用该食材的特餐[]
老爹三明治店/To Go![]
- Awesome Onion
- Butterbrezel
- Cluck and Onion
- Gorgonzilla
- Heaping Hoggy
- Sarge's Revenge
- Surf and Turf
- Western Omelette
- Wild Western
老爹卷饼店HD/To Go![]
- Ancho Onion
- Blazing Blue
- Carne Con Queso
- Carnita Fajita
- Cerdo Ranchero
- Cerdo Vaquero
- Cheesy Churrasco
- Cool Azul
- Crunchy Carne Asada
- Garden Pita
- Guacamole Grande
- Misterio Zafiro
老爹披萨店HD[]
- Chicken Cacciatore
- Fugazza Con Jamón
- Lomi-Lomi Bruschetta
- Rustic Garden
- The Californian
- The Denver
- The Smokehouse
- The Works
老爹热狗店HD/To Go![]
- 'Basa Nova
- Ballpark Bratwurst
- Chicago Dog
- Chili con Queso
- Coney Dog
- Fajita Hound
- Michigan Dog
- Philly Phrank
- Portallini Feast (特色餐)
- Sonoran Dog
- Southwest Sausage
- Superkraut
- The Bavarian
- The Fakefurter
- Wild Zwiebelwurst
- Woonsocket Dynamite