NEW YORK (TheStreet) -- McDonald's (MCD) - Get Report is taking its all-beef patties to a new level. You may have heard this elsewhere, but McDonald's wants to serve your burger your way. And try to increase what you spend on your visit, too.

In fact, the monster fast food chain is testing burger customization having it your way at Ronald's -- in two locations targeting millennials and other hungry folks by allowing them to customize their burger using tablets before they get in line.

Tapping in to e-technology, McDonald's in the test allowed customers to select their bun, patty, cheese and toppings. The burgers are assembled fresh moments after the specialized order is received.

In tests, McDonald's saw strong dinner crowds and average customized burgers -- chose from more than 20 premium toppings -- sold for $1 more than standard burger offerings on the menu.

McDonald's is expanding its current test. The option is not expected to link up at the more than 14,000 McDonald's, but if you add up all those extra dollars, it may tempt a corporate culture change.

Oddly, the build-your-own burger concept flies in the face of its assembly line economies. McDonald's perfected fast food with excellence in speed, convenience, price and value. Now with strong competition in fast casual and a new business class of millennnials who want good food fast, McDonald's is struggling to keep up with its own ideals.

McDonald's could certainly use the boost of new burger sales. In the last fiscal year, global sales rose only 0.2%. This was powered by new stores and rebounding sales in the European region. U.S. sales at stores open more than a year declined 1.4% in the fourth quarter. In 2014, same store sales continue to fall. February U.S. same store sales fell 0.3%.

Once the fast food restaurant innovator, McDonald's is battling its imitators not only for burger sales but for other meals as well. Yum Brands (YUM) - Get Report Taco Bell restaurants' introduction of breakfast items at its 6,000 stores is pushing the dine-in and take-out bag envelope at McDonald's, the fast food breakfast leader.

McDonald's customizable burger places it in a chopping block clash with other fast casual favorites. Five Guys Burgers and Fries and Smashburger have seen strong unit growth as they continue to be popular with "millennials" and achieve cult like followings. McDonald's possible addition of premium burgers also puts it in closer competition with national burger chains like Red Robin (RRGB) - Get Report.

Perhaps, McDonald's needs to more closely follow the Red Robin footprint of creating specialized premium topping burgers. In 2013, Red Robin saw strong unit growth and same store sales growth. This led to a 108% increase share price.

McDonald's shares were up only 8% in 2013. In 2014, shares are up around 1% and continue to trade in the middle of their 52 week range.

With new menu offerings and higher guest check averages, McDonald's should be able to finally report positive same store sales numbers later in 2014. Expect shares to follow suit and rise with the return to growth.

At the time of publication the author held no positions in any of the stocks mentioned.

This article represents the opinion of a contributor and not necessarily that of TheStreet or its editorial staff.