"It's very beautiful, but I expected more, I think," another man said in English.
A woman, who was also speaking in Russian, admitted that she didn't know what she consumed, but it was "unusual and delicious."
"We're all hungry in this city we need more of these places. There's nothing in our stores or restaurants," the woman continued.
The restaurant, which was expected to be able to serve 15,000 meals a day, was not the only business to open under the McDonald's investment.
Outside of the city, CBC said $50m spent by the food giant went towards building a processing plant that was dedicated to producing 14,000 buns per hour. Three thousand tons of potatoes a day became fries, and 10,000 patties per hour were made and frozen.
However, the golden arch meals cost about half a day's wages which were steep for many citizens to try out.
"Seven or eight rubles for lunch. They're ripping us off," a man said.
"We understand the impact this will have on our Russian colleagues and partners, which is why we are prepared to support all three legs of the stool in Ukraine and Russia," said McDonald's president and CEO Chris Kempczinski in an open letter,
"Our values mean we cannot ignore the needless human suffering unfolding in Ukraine," he continued.
Kempczinski also noted that the company would continue to pay employees wages.
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