For luxury dining you’ll never forget, you need to visit O’Fallon, Illinois’ mansion restaurant. This lesser-known eatery is a marvelous place for special occasions and important events.

If you love steak, seafood, and pasta, this upscale spot will be right up your alley. Check it out:

Editor’s Note: The Mansion is permanently closed.

The Mansion is an upscale restaurant in southern Illinois that is ideal for special occasions, of all kinds. It is known for its signature recipes and dazzling decor.
Facebook/The Grille at The Mansion
This mansion restaurant is a little-known wonder that was built by A.J. Wastfield in 1857. Guests can even get a tour of the entire home after their meals.
Facebook/The Grille at The Mansion
When it comes to food, this restaurant is known for its seafood, steak, and pasta dishes. Menu items include starters like crab cakes, lobster nachos, coconut shrimp, soup, and salads.
Facebook/The Grille at The Mansion

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Entrees include seafood bake, The Mansion steak pasta, and chicken pasta, lamb, pork chops, duck breast, and more. Enjoy sides like twice baked potatoes, lobster risotto, and gourmet mashed potatoes.
Facebook/The Grille at The Mansion
When it comes to sweets, you'll definitely want to leave some room in your stomach. Ask your server about the desserts of the day.
Facebook/The Grille at The Mansion
This mansion restaurant is open Tuesday through Thursday between 5 p.m. and 9 p.m. as well as Friday and Saturday between 5 p.m. and 10 p.m. Come in for the fanciest and tastiest dinner you've ever experienced.
Facebook/The Grille at The Mansion
This fabulous mansion is also an excellent wedding venue. The grounds are full of lovely places to host your special day. Both food and decorations are provided by the restaurant.
Facebook/The Grille at The Mansion

The Grille at The Mansion is located at 1680 Mansion Way, O’Fallon, IL 62269. If you’ve ever been to this mansion restaurant, we’d love to hear from you. Please share your experiences and photos with us below in the comments.

For more like this, check out these 11 Illinois restaurants that just get better with age.

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