Question: Timbits are a bite-sized fried doughnut sold at which Canadian-owned international bakery chain?

Context paragraphs:
Timbits: Timbits is the name of a bite-sized fried dough confectionery sold at the Canadian-based franchise Tim Hortons.  They were introduced in April 1976.

Frittole (doughnut): Frittole are an Italian fried doughnut type food made from a dough with raisins, orange peel, and lemon peel in it.  They are eaten in and around the Friuli-Venezia Giulia and Veneto regions.  However is known to be founded around the Giuliani areas of Trieste and Venice.  Many variations are common, including custard and chocolate filling.  They are fried in oil until golden brown and sprinkled with sugar.  They are included in the British Museum Cookbook by Michelle Berriedale-Johnson and a book about Venice from 1879.  A Vendita Frittole is a fritter and liquor shop.

Fasnacht (doughnut): Fasnacht, Sometimes spelled Fastnacht, Faschnacht, Fosnot, Fosnaught, Fausnaught, is an English name for a fried doughnut served traditionally in the days of Carnival / Fastnacht or on (Shrove Tuesday), the day before Lent starts.  Fasnachts were made as a way to empty the pantry of lard, sugar, fat, and butter, which were traditionally fasted from during Lent.

Grand Central Bakery: Grand Central Baking Company d.b.a. Grand Central Bakery is an American bakery chain with locations in Portland, Oregon, and Seattle, Washington and their metropolitan areas.  It was founded in 1972 in Seattle's Grand Central Hotel building.  The bakery is known for its artisan breads.

Tim Hortons: Tim Hortons Inc. (known internationally as Tim Hortons Cafe and Bake Shop, colloquially known as Timmy's or Tim's) is a Canadian multinational fast food restaurant known for its coffee and doughnuts.  It is also Canada's largest quick service restaurant chain; as of December 31, 2016, it had a total of 4,613 restaurants in nine countries.

Cooks the Bakery: Cooks the Bakery is a specialist retail bakery chain of hot food, sandwiches and coffee, based in Solihull, in the West Midlands, England.  The company went into administration on 21 November 2011.  The trading rights to Three Cooks and Cooks the bakery were purchased from the administrators in June 2012, Three Cooks Bakery was re-launched under a franchising model with its first store opening in Hanley, Stoke-on-Trent.

La Petite Boulangerie: La Petite Boulangerie ("The Little Bakery") was an American bakery chain.  Originally a two-store company owned by Food Resources Inc., it was purchased by PepsiCo in 1982 and franchised to various operators, including Food Resources in California and Arizona, and Calny, Inc. in the Seattle area.  At its peak, La Petite Boulangerie had at least 140 locations, including Los Angeles, Denver, Phoenix, Sacramento, and a small number of bakeries in New Jersey and Pennsylvania.

Roselyn Bakery: Roselyn Bakery was a major bakery chain that distributed products from an Indianapolis central baking facility from 1943 to 1999.  The bakery chain, which consisted of approximately 40 locations in and around central Indiana, was known for its popular treats such as their Sweetheart Coffee Cake, Zebra Square Brownies and Blackout Cake.

Paris Croissant: Paris Croissant () is a bakery chain based in South Korea owned by the SPC Group.  In 1988, Paris Croissant launched Paris Baguette, which grew into a top bakery café franchise brand in South Korea.  As of 2015, the chain had over 3,175 retail stores in South Korea and 70 stores in the United States.  Paris Baguette also launched almost 185 retail stores in China, Vietnam, Singapore and France.

Crumbs Bake Shop: Crumbs Bake Shop (aka Crumbs or Crumbs Bakery) is a defunct bakery chain headquartered in New York City.  Founded in 2003 as a small mom-and-pop style bakery on the Upper West Side of Manhattan by Mia & Jason Bauer, the company expanded to 79 locations in eight states (New York, Illinois, Virginia, New Hampshire, Massachusetts, New Jersey, Rhode Island, and California) and Washington, D.C..

Supporting paragraphs: Timbits Tim Hortons
Answer: Tim Hortons