The wait on Jericho Turnpike is over. Súp Vietnamese opened its doors at 399 Jericho Turnpike over the weekend, and the corner that spent years watching restaurants come and go is serving again. The dining room is open seven days a week, the kitchen is running from lunch through dinner, and the bar is pouring alongside it.

For a stretch of Nassau County that has steakhouses, sushi and Italian in depth but nowhere to sit down over a bowl of pho, the arrival closes a real gap. And for anyone who has driven past the standalone building at 399 and wondered what would happen there next, the answer turns out to be a Long Island group with a following that already stretches across three towns.

Fourth dining room, one obsession

Súp Vietnamese is not a newcomer figuring things out. The group opened in Stony Brook, added Massapequa, then Rockville Centre, and each dining room built the same reputation: broths that simmer over the course of a full day, by the kitchen's own account, served in bowls that manage to be both light and filling. Jericho is the fourth Long Island location, and the group's map does not stop here. A Farmingdale opening is in the works on Broadhollow Road, and the brand has even planted a flag in Pasadena, Texas, which makes this one of the rare Long Island restaurant groups with a Gulf Coast outpost.

The menu that filled those other rooms makes the trip intact. The pho list runs from sliced chicken to brisket to beef meatballs, with the broth doing the heavy lifting in every bowl. Around it sit the rest of the Vietnamese canon: bánh mì on crusty baguettes, summer rolls, vermicelli bowls, and a drinks list that includes house-brewed Thai iced tea. Dessert leans playful, with mango sticky rice and a Thai tea affogato closing things out. The Jericho location adds a full bar to the formula, so a cocktail, a glass of wine or a beer can land on the table next to the noodles.

The corner that kept closing

The address carries history that regulars of this stretch know well. Lisbon Cafe, the Portuguese spot that built a loyal following in the building, went dark. Before it, Cozumel Mexican Grill had its own run at the corner before closing. Each departure left the same handsome standalone building empty, with its own parking lot on one of Nassau's busiest commercial roads, waiting for a tenant who could make it stick.

Súp arrives with two advantages its predecessors did not have. The first is a customer base that already exists. Three open dining rooms with weekend waits are their own advertising, and a restaurant that opens with a following does not spend its first year introducing itself. The second is the absence of direct competition. There is no dedicated Vietnamese kitchen for miles in any direction, which means the corner is no longer asking diners to choose it over a dozen similar menus. It is offering something the neighborhood simply did not have.

What to know before you go

The restaurant opens at 11:30 in the morning every day. The kitchen runs until 9:30 on weeknights, stretches to 10 on Friday and Saturday, and closes at 9 on Sunday. Reservations and direct online ordering are both live through the restaurant's site, and the usual delivery apps carry the menu as well.

Lunch may be the corner's quiet superpower. The surrounding stretch of Jericho Turnpike is thick with offices, and a bowl of pho or a bánh mì is built for a working lunch hour in a way that little else nearby is. Dinner is where the full bar and the dessert list earn their keep.

A corner worth watching

Every restaurant opening is a bet, but this one is placed by a group whose first three Long Island dining rooms are all open and drawing crowds. Stony Brook worked. Massapequa worked. Rockville Centre worked. If Jericho follows the pattern, the corner at 399 stops being the intersection's cautionary tale and becomes the reason people turn in.

For readers keeping score at home: the pho is simmered all day, the doors are open now, and the corner that kept closing finally has a kitchen with a track record behind it. The only thing left to settle is whether the weekend waits that follow this group everywhere show up in Jericho too. Early signs say to arrive hungry and maybe a few minutes ahead of the crowd.