From DetroitWiki

• Greenwich Time Pub in Cadillac Square has a $5 burger and beer deal for lunch.
• Harmonie Way on Grand River between Broadway and Centre has a cheezburger and fries or falafel sandwich, among many things, for under $5
• Stella International Cafe in the Fisher Building and Guardian Building has a number of under-$5 options, including daily specials and soups.
• Supino Pizzeria has slices for $2.25, $2.75, and $3.25 (cheese, pepperoni, specialty), or a house salad for $4.50.
• The Town Pump Tavern behind the Fox Theater has a $5 burger & beer lunch.