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Dinner · Part 2 of 3: Instructions

Steakhouse Garlic Butter Burgundy Mushrooms Step-by-step instructions

A close-up of tender, mahogany-colored mushrooms in a rich burgundy sauce inside a cream-colored crockpot.
Prep
Cook
Total
Serves
6

Before you start

Prepare the mushrooms by gently brushing off any dirt with a damp cloth or soft brush; avoid soaking them in water to prevent them from becoming waterlogged. Peel the garlic cloves and give them a light smash with the flat side of your knife to help release their natural oils.

Ensure the butter is cut into uniform cubes to facilitate even melting. Have the fresh thyme sprigs washed and ready to be added to the pot, and measure out the wine and beef stock beforehand to ensure a seamless assembly process.

Ingredients at a glance (7)
  • 3 lb whole baby bella mushrooms
  • 1 stick unsalted butter, cubed
  • 1 cup dry Burgundy red wine
  • 6 cloves fresh garlic, peeled and smashed
  • 4 sprigs fresh thyme
  • 1/2 cup beef stock
  • fresh chopped parsley, for serving

Instructions

Layering and Initial Setup

  1. Layering the ingredients
    Place the whole baby bella mushrooms into the bottom of the slow cooker basin. Add the cubes of butter, the dry Burgundy red wine, the smashed garlic cloves, fresh thyme sprigs, and the beef stock over the mushrooms.
    Look for Ensure the butter is distributed evenly among the mushrooms to allow for uniform melting during the cooking process.
    Tip Keep the mushrooms whole to maintain their texture throughout the long cooking time.

At the end of this phase, all ingredients should be neatly layered in the slow cooker. The mushrooms should be well-distributed, and the butter cubes should be placed evenly across the top to ensure they melt throughout the mushrooms as the heat begins to rise. The assembly should look clean and organized, with the aromatics like garlic and thyme tucked into the gaps to provide maximum flavor infusion once the heating cycle begins. Everything is now ready for the long, slow simmer.

Slow-Cooking Simmer

  1. Slow-cooking process
    Cover the slow cooker with the glass lid. Set the device to the LOW heat setting and cook for 4 hours. During this time, the mushrooms will release their natural moisture and absorb the red wine, garlic, and butter, turning a deep mahogany color.
    Look for The mushrooms should appear plump and glossy with a rich, dark color once the cooking cycle is complete.
    Tip Avoid lifting the lid frequently to maintain a consistent temperature inside the cooker.

By the end of the four-hour cooking cycle, the kitchen should be filled with a rich, savory aroma of garlic, red wine, and butter. The mushrooms will have significantly reduced in size, appearing darker, glossy, and deeply mahogany in color.

The liquid in the bottom should be bubbling gently and looking syrupy. The mushrooms should be very tender to the touch, indicating that they have fully absorbed the braising liquid. Ensure the lid remains tightly sealed until this stage is complete.

Final Presentation

  1. Final seasoning and service
    Once the cooking time is finished, remove the lid and discard the thyme sprigs. Gently stir the mushrooms to coat them in the concentrated sauce. Transfer the mushrooms to a warm serving bowl and sprinkle generously with fresh chopped parsley before serving immediately.
    Look for The sauce should be reduced and glossy, clinging to the mushrooms perfectly.
    Tip Taste the sauce and adjust with a small pinch of salt if necessary before serving.

The final result is a bowl of glistening, dark-hued mushrooms that smell intensely savory and earthy. The sauce should be coating each mushroom perfectly, with no excess watery liquid. The fresh parsley garnish adds a vibrant pop of color and a touch of freshness that cuts through the richness of the butter and wine. The dish is now perfectly seasoned, tender, and ready to be served alongside your favorite steak or roast, providing a professional and elegant finishing touch to your meal.

Common mistakes

A common mistake is overcrowding the slow cooker with too many mushrooms, which can lead to uneven cooking and excess liquid that dilutes the flavor. Another error is failing to use a dry red wine; sweet or dessert wines will make the dish too cloying.

Additionally, do not be tempted to stir the mushrooms frequently during the cooking process. Each time the lid is removed, heat escapes and the cooking time is extended, which can lead to inconsistent results and a lack of depth in the final sauce.

How to tell it’s done

The mushrooms are considered done when they have reached a tender, plump consistency and have taken on a deep, glossy mahogany brown color. They should be soft throughout but still hold their shape without falling apart.

The sauce at the bottom of the slow cooker should be reduced into a rich, flavorful liquid that coats the back of a spoon. Because there is no meat involved, there is no specific internal temperature to reach, but the visual cues of color and texture are definitive indicators.

Coming up in Part 3: common questions

  • Can other types of mushrooms be used in this recipe?
  • Is it possible to make this recipe without the red wine?
  • Why does the sauce look thin after cooking?

Also in Part 3: variations (Balsamic Glazed Mushrooms, Spicy Garlic Mushrooms), storage and make-ahead, and the printable recipe card.

Up next · Part 3 of 3

2 variations · storage & make-ahead · 3 answers · printable card

Tips, FAQ & printable recipe (Part 3)← Back to the ingredients (Part 1)