Mathilde French Bistro is located in San Francisco, United States on 315 5th St. Mathilde French Bistro is rated 4.5 out of 5 in the category french restaurant in United States. Mathilde French Bistro is a quintessential French Bistro in the SOMA area of San Francisco. A cozy main dinning room and romantic outdoor patio, with climbing roses and vines on the side walls. cuisine is traditional bistro faire, with its voted best in town French onion soup, baked escargots and duck confit. Soon as you set foot at Mathilde, you will feel like you are back in Paris.hilde Bistro is also the sister restaurant of L'ardoise bistro.