Elf Cafe is all vegetarian, but should still be tasty for the omnivores. It's very tiny and BYOB, but cute and fits with your rock and roll evening.
15 has both meat and veg options as well as wine and cocktails, it's more staid but food is fine.
1320 Echo Park Ave, Los Angeles, CA 90026
2135 W Sunset Blvd, Los Angeles, CA 90026