If you want to visit the best restaurants in Los Angeles, check out the Michelin Guide: its two stars are Spago (an original mix of Asian exoticism and American traditions), Urasawa (the best sushi in the U.S.), Melissa (Mediterranean cuisine).
Pay attention to the CUT restaurant in Beverly Hills (the pride of the Four Seasons Hotel), which received a Michelin star for its exquisite atmosphere and excellent cuisine (be sure to try its beef steaks and seafood dishes).
Los Angeles restaurant reviews recommend tourists to visit some far from glamorous, but interesting establishments: this is where dishes that have become iconic in California cuisine were once invented. For example, Roscoe's House of Chicken 'N Waffles offers succulent fried chicken combined with fluffy waffles, and such places as Cole's and Philippe The Original have been delighting their visitors with excellent French dip sandwiches for more than 100 years.
By the way, if the prices in Los Angeles restaurants seem too high, the iconic hot dogs from Pink's Hot Dogs will not let you die of hunger and will save your budget. However, visiting inexpensive restaurants in Los Angeles, you can have a delicious lunch or dinner, spending no more than 30-40 USD.
We can not ignore the best cafes in Los Angeles according to tourists' reviews: The Griddle Café, Urth Caffe, Aroma Cafe, Demitasse (they offer coffee, tea, pastries, American cuisine). Prices in Los Angeles cafes allow you to have a good snack, spending no more than 10-20 USD.
When paying in any restaurant, don't forget about tips, if they are not included in the bill (traditionally tips are 10-15% of the order amount). Please note that bills usually include the amount of tax separately.