If you’re looking to unwind over tapas and vino at Starbucks after a long day at the office, be prepared for a latte agita.

On Wednesday, the Seattle-based coffee chain unveiled a new campaign: “Starbucks Evenings,” featuring a menu of “savory small plates” and “a thoughtful selection of wine and craft beer” after 4 p.m. at 70 locations nationwide, including two in New York City.

After work, I set off to Williamsburg, one of two NYC locations showcasing the new offerings (the other’s in Macy’s Herald Square), where the sounds of jazz wafted through the shop.

Ten wines are available, ranging in price from $8 to $15, along with several beers from nearby Brooklyn Brewery.

As for the small plates, a few of the items — including artichoke-and-goat-cheese flatbread and truffle-oil mac ’n’ cheese — sadly sat inside the counter case where you usually find scones and pound cake.

As I began to order, the visibly flustered barista behind the register interrupted me.

“Sorry, can you slow down?” he asked. “I’m still getting used to finding these new buttons.”

I chalked it up to opening-night jitters.

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But I was losing patience after 18 long minutes had passed before my glass of pinot grigio ($10) reached my high-topped table.

It was accompanied by a side of spiced pumpkin seeds that turned out to be the tastiest thing I ate all night. (All drinks come with a handful of the snack — to prevent patrons from getting too tipsy at the coffee joint.)

The wine was tougher to judge — perhaps because of the overwhelming aroma of coffee that fills the shop. I could have been drinking $2 plonk, and I’d’ve been none the wiser.

The food came next, just minutes later.

I didn’t find a single piece of chicken sausage on a chicken sausage and mushroom flatbread ($6.95).

Chicken skewers ($4.95), meanwhile, turned out to be two chicken nuggets on a stick. The chicken was so rubbery and unpalatable, there was no doubt in my mind they were frozen and reheated — which a barista later confirmed.

“Yes, everything is frozen and reheated in the oven,” he said woefully.

I took a chance with another bar-food staple: spinach-and-artichoke dip ($5.95). The crust was overcooked, and in some places actually burnt, and wasn’t helped at all by a pile of borderline-stale pita chips that came with it.

The new menu (served until 9 p.m.) did come with one positive change: The Williamsburg outpost got a makeover, with works from local artists hanging on the walls and a long, communal table added to the center of the room.

There, Elise Crumbine, 36, of the Upper East Side, was dining with a group — the only other patrons ordering from the new menu.

“The wine list is impressive, with excellent pricing,” said Crumbine, when asked what she thought of the new menu.

“I would bring a date here for a glass of wine,” offered one of her table-mates.

But take that with a grain of salt: They later revealed themselves to be investors in Starbucks.

As I left the remnants of my meal behind, I couldn’t help but laugh at a sign on the table: “We love seeing you a little later.”

You won’t be seeing me later, Starbucks. Because I plan on getting my wine-and-tapas fix from anywhere else but you.