I ate at the same posh London restaurant as King Charles that serves a $38 caviar omelet. Dining there made me feel like a royal.

The author dined at Mount St. Restaurant in London's Mayfair neighborhood last fall, soon after it opened.Dan Koday

• I ate at Mount St. Restaurant, a posh London eatery where King Charles and Camilla were seen dining.
• The breakfast menu was delicious, and I was impressed by the original artwork collection.

In November 2022, I ate at Mount St. Restaurant, an upscale eatery in London where King Charles and Camilla also recently dined, according to Time Out.

The author at the Mount St. Restaurant in London.      Dan Koday

Source: TimeOut.com

The restaurant is in Mayfair, one of London's fancier neighborhoods near Buckingham Palace, lined with stately townhouses, shops, and restaurants, according to CN Traveller.

Mayfair is one of the city's poshest areas.      Dan Koday

Source: Conde Nast Traveller

Arriving to the restaurant on foot, I admired the Victorian-era building's handsome red bricks, arched windows, and wrought-iron balconies.

The restaurant is in a Victoria-era building.      Dan Koday

Source: Buildington

Mount St. Restaurant is a recent opening on the second floor of a brewery and pub built in 1888. The Audley Public House at street level still operates as a traditional English pub after a restoration in 2022.

The Audley Public House was built in 1888.      Dan Koday.

Source: Public Heritage, Audley Public House

Mount St. Restaurant first opened in October 2022, and I visited in November while in London with my husband. Reservations weren't possible for dinner, but we were excited to snag a table for breakfast.

The author in front of Audley Public House.      Dan Koday

Source: Wallpaper

Entering the front door, we found a flight of stairs leading up to the restaurant, and I also saw an elevator to the left of the stairs. The staircase was filled with sketches and drawings, which I thought was a nice preview of the art to come inside.

The staircase leading up to the restaurant.      Dan Koday

The restaurant's main dining space was on the second floor. I thought the design was tasteful and vibrant — it felt like a fashionable home-meets-private art collection.

The main dining room.      Dan Koday

I liked that the room had an open concept feel and a nice flow, and thought the tables positioned around the bay and turret windows looked cozy.

The large windows let sun into the dining area.      Dan Koday

Being at Mount St. made me feel like I was in a private art museum. My husband and I sat in a corner near several famous paintings that caught my eye, including Frank Auerbach's "Primrose Hill, Summer 1968."

The author in front of one of the turret windows (L); Frank Auberbach's "Primrose Hill" to the right above the booth (R).      Dan Koday

Source: Mount St. Restaurant, Sotheby's

I'd read on the website, and confirmed with the restaurant staff, that these paintings are all originals. Seeing them in person felt exciting and luxurious.

Mount St. Restaurant had a number of famous original artworks.      Dan Koday

Source: Mount St. Restaurant

The salt and pepper shakers were another favorite detail of mine. Their design, according to Mount St., was inspired by artist Paul McCarthy's controversial 2014 "Tree" sculpture, which some critics thought resembled a butt plug.

The salt and pepper shakers were inspired by artist Paul McCarthy's "Tree" sculpture.      Dan Koday

Source: Mount St. Restaurant, Artnet

We visited on a Friday around 9 a.m. for breakfast. Besides me and my husband, there were only a few other guests when we arrived.

The main dining room.      Dan Koday

Our server recommended the breakfast sausages, which he said came from a farm in Somerset. I'm glad he did, because I thought they were among the best breakfast sausages I've ever tasted.

The breakfast menu has various egg dishes and meats.      Dan Koday

Especially when traveling, my husband and I like to share food items so we can both try a bit of everything. At Mount St., we ordered several dishes, including a roasted tomato and goat cheese curd on toast that was delicious.

The author order roasted tomato and goat cheese curd on toast.      Dan Koday

We also ordered the Eggs Arlington, an English muffin and smoked salmon combo topped with what I thought was the most decadent hollandaise sauce. I noticed the dishes had Mount St.'s logo, which felt fancy.

The Eggs Arlington.      Dan Koday

The smoked salmon and scrambled eggs on toast was also yummy. The salmon was fresh and buttery, and the toast was crisp with a dollop of butter at its center.

The author also ordered smoked salmon and scrambled eggs on toast.      Dan Koday

For three shared dishes, fresh juices, and coffee, the bill was £77, or roughly $92. I've spent considerably more on breakfast living in New York City, and while this was on the higher side, I thought it was fair for the quality of the food and atmosphere.

The author spent roughly $92 on breakfast.      Dan Koday

While I didn't order it, I did see on the menu the restaurant's signature caviar omelet, which is made with golden brown caviar. This was one of the most expensive breakfast dishes at £32, or roughly $38.

Inside the restaurant's main dining room.      Dan Koday

After eating, we decided to check out the third and fourth floors of the property. I noticed the artsy theme continued on the staircases with printed wallpaper and carpeting.

The staircases connecting the floors had colorful wallpaper.      Dan Koday

On the upper floors, we found the restaurant's lavish private dining rooms with themes like Scottish, Italian, and Swiss.

Inside the Italian-themed private dining room.      Dan Koday

The Swiss Room had dark green walls and hanging globe pendants. It was one of my favorite rooms due to the beautiful oak-paneled floors laid in an intricate pattern.

The Swiss Room had dark walls and intricately patterned wood floors.      Dan Koday

Source: Artnet and Mount St. Restaurant.

The Scottish Room reminded me of Balmoral Castle, the royal family's Scottish estate, but was officially inspired by a sister property, The Fife Arms in Scotland, according to the website. The room had dark wood paneling and chairs, and an elaborate chandelier made from antlers.

The Scottish Room.      Dan Koday

Source: TimeOut, Insider

Read more: I visited Balmoral, where Queen Elizabeth spent her final days, after her death. I can see why she cherished this castle as a 'royal escape.'

On the fourth and final floor, I found a game room and small bar. I could imagine royal guests here enjoying cocktails, and thought the orange-hued lights created an intimate atmosphere.

The game room on the fourth floor.      Dan Koday

Between the food, one-of-a-kind rooms, and the sophisticated atmosphere, I enjoyed my visit to Mount St. Restaurant. It felt cool to dine where the royals have, and I plan to return the next time I visit London for more delicious food and beautiful artwork.

The author is planning on returning for the food and artwork.      Dan Koday