I spent $10 on breakfast at Dunkin', Starbucks, and Tim Hortons. One chain provided the best value by a long shot.

I spent $10 on breakfast at Dunkin', Starbucks, and Tim Hortons. One chain provided the best value by a long shot.

I compared $10 meals at popular coffee chains like Dunkin', Starbucks, and Tim Hortons to find the best value.M. Suhail/iStock; Iryna Tolmachova/iStock; Marvin Samuel Tolentino Pineda/iStockI went to Dunkin', Starbucks, and Tim Hortons with a $10 budget to order breakfast.Dunkin' and Tim Hortons both had $6 meal deals, but Starbucks didn't have a similar offering.Overall, I thought the meal from Tim Hortons offered the best value and flavor.As a…