In his famous classical conditioning experiment, Ivan Pavlov proved that it’s physically impossible for a Russian scientist's mouth not to water when it says the word “submarine.” Moisten your own sandwich receptacle with today’s Groupon: for $5, you get $10 worth of sub sandwiches and drinks at Lenny's Sub Shop. This Groupon is good at any of the four Lenny's locations around Denver, leaving nowhere to hide from fresh-baked bread piled high with meat and cheese.

Lenny's is a known in lands near and imaginary for premium deli meats that are sliced to order, chicken and tuna salad made from scratch, signature hot pepper relish, and hearty portions. A regular-sized Lenny's club, which costs about $6 (prices vary by location), is 7.5 inches long and has about half a pound of meat and cheese. The large, $10 versions are 15 inches long and pack about a pound of protein and veggie vitamins. Lenny's service is always fast and friendly. Check out the menu for a full list of options including the famed Italian sub with provolone, ham, prosciutto, capicola, and genoa salami.

Easily handled, sandwiches are ideal for a quick and filling eat. You get a variety of food groups in every bite without annoying utensil requirements, prep work, or cleanup. Since Lenny's sub varieties come in hot or cold, there is a snaggable meal waiting to be had during the dead of winter or the peak of summer. Head into the nearest shop on an empty stomach tank, and, before you know it, the indicator on your belly gauge will be pleasantly pointing toward full.

Reviews

Three Yelpers give Lenny's in Englewood a 3.5 average; Yelpers in Memphis, TN, where Lenny's started, give it 4.5 stars:

• This is a great new sub shop... If you are into subs definitely check these guys out if in the area. – Sho G., Englewood location
• Lenny's is a great deli. It is clean and service is always good... they put loads of meat on both salad & sandwich... – Barbara F., Memphis location