The robbery took place around 11 p.m. Thursday.
Witnesses said the three men drove up to the closed restaurant and threw a brick through a window. One man waited outside while two others went in with bandanas over their faces.
“They had pistols and were yelling ‘someone open the safe, open the safe!’ ” one of the workers told KHOU-TV, Houston.
The robbers left in a dark-colored Dodge Charger. No injuries were reported.