The Denny's Restaurant in Wauwatosa is located on North Avenue at 111th Street next to the Extended Stay America Hotel. Since 1953, Denny’s has been fueling families with round-the-clock breakfast and casual dining. From freshly cracked eggs to craveable salads and burgers to its famous Grand Slam, Denny’s offers friendly service, free Wi-Fi and an endless list of possibilities to curb your hunger. On Tuesday and Saturday night,s kids under 10 years old can eat free from between 4 to 10 p.m.. The Denny's in Wauwatosa is one of 1500 restaurants worldwide.