Firefighters extinguished a small grease fire at a Canyon Country restaurant early Monday evening, according to Capt. Scott Greenhouse of L.A. County Fire Station 107.

The fire broke out approximately 7:20 p.m. in the kitchen of the Mighty Mouth (formerly Tommy's)hamburger restaurant at 18545 Soledad Canyon Road, in a shopping center near the corner of Sierra Highway.

"They had a small fire in one of the grease collection areas around the grill," Greenhouse said.

Firefighters were on the scene by 7:30 p.m. and had the fire put out within 30 seconds, using a dry chemical fire extinguisher, he said.

There was no additional damage. "Their system worked properly - the fire vented out the top so it didn't spread" to other areas of the restaurant or to adjoining businesses, Greenhouse said.

Cleanup began immediately, but the restaurant will be "out of service" for a day or two, Greenhouse said. "They'll be able to reopen after they clean up the dust (from the extinguisher) and the Health Department clears them."