I trend towards the less-is-more category when it comes to toppings, and with asiago cheese, sautéed and roasted mushrooms, peppercorn aioli, and crispy fried onions, there's a natural hesitance to ask what exactly Wendy's is covering up.

The Bacon Portabella Mushroom Melt is BACK! 🥓🍄🍔 | By Wendy's | Facebook.

Wendy's Cheeseburgers Bacon Portabella Mushroom Melt (1 serving) contains 37g total carbs, 35g net carbs, 40g fat, 37g protein, and 660 calories.

There are 630 calories in 1 sandwich (300 g) of Wendy's Bacon Mushroom Melt.

Ingredients. Primary ingredients are typically peppercorns and heavy cream. Additional ingredients may include butter, wine, brandy, such as cognac, shallots, garlic and additional seasonings, such as bay leaf, star anise, tarragon and salt. Some versions may incorporate liquor, such as whiskey.

A classic steak sauce made with black peppercorns, cream and brandy for a lovely, rich sauce that's just right for a date night or a special occasion.

Our Culinary, Commercialization and Quality Assurance team members worked intimately with the ingredients and suppliers to make the Smoky Mushroom Bacon Cheeseburger a reality in restaurants across North America.

Square beef patties make it easy to know you're enjoying the very best hamburger for your buck: fresh, never frozen and made from 100% real beef. Our signature square hamburger patties have no fillers or additives because we know the beef is what matters when it comes to making the best hamburger in the game.

448 Calories Nutrition Facts (per serving)

Applewood smoked and fresh from a stove. And because you're equally bacon-crazy, we'll add it to anything. Not all bacon is created equal. Wendy's Applewood smoked bacon is smoked over the wood of apple trees which flavors the bacon with sweetness and fruitiness increasing its deliciousnessness.

In a peppercorn sauce, by comparison, the peppercorns are cooked into a cream sauce, usually with the addition of alcohol such as Cognac or brandy, often with a herb. Garlic and shallots or onions are often used.

For black pepper, peppercorn berries are picked while still green, allowed to ferment, and are sun-dried until they shrivel and turn a brownish-black color (1, 2). Botanically, black pepper is a member of the Piperaceae (pepper family).

In a medium bowl, whisk together the mayonnaise, Greek yogurt, grated Parmesan cheese, red wine vinegar, Dijon mustard, garlic powder, salt, black pepper and water until a creamy dressing forms. Taste and if you'd like a bolder pepper flavor, add more ground black pepper to taste. Store refrigerated up to 1 to 2 weeks.