There are three excellent dining choices about a mile of the house, all highly visible on Hwy 89, that are all right across the street from each other.
Sunnyside Resort offer high-end lakeside dining, Spoon offers family style dining, Firesign Cafe is a great breakfast and lunch spot, and Sunnyside Market and Deli where you can pick up deli-style sandwiches and basics (i.e. milk, eggs, bread, beer, soda, ice cream, etc.).
There are other options about 3 miles to the south on Hwy 89 around Homewood many, many more about 3 miles to the north in and around Tahoe City.