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Dinner · Part 1 of 3: Ingredients

Decadent Crockpot Wild Mushroom and Cognac Tagliatelle

A close-up of glossy tagliatelle pasta coated in a rich, creamy mushroom and truffle sauce.
Prep
Cook
Total
Serves
4

Elevate your weeknight dinner with a dish that tastes like a Parisian bistro classic. This decadent wild mushroom and cognac tagliatelle combines earthy forest flavors with a velvety mascarpone sauce, all achieved with the convenience of your slow cooker. It is the perfect recipe for those who appreciate sophisticated flavors but want to keep the preparation simple and stress-free for a truly memorable meal.

This recipe centers on the transformative power of slow cooking. By combining a variety of fresh mushrooms—cremini, shiitake, and oyster—with aromatics and cognac, the slow cooker develops a complex, savory base that would typically require hours of stovetop attention.

The addition of mascarpone cheese creates a luxurious, silky finish that clings to every strand of egg tagliatelle, while the black truffle carpaccio provides an intense, earthy finish that makes this dish feel exceptionally special.

Ingredients

Makes 4 servings · serves 4

Main Ingredients

  • 1.5 lb mixed cremini, shiitake, and pleurotus oyster mushrooms, cleaned and sliced
  • 2 shallots, finely diced
  • 6 garlic cloves, minced
  • 1/4 cup cognac
  • 2 cups beef stock
  • 4 tbsp butter

Finishing

  • 8 oz mascarpone cheese
  • 2 tbsp black truffle carpaccio
  • 16 oz egg tagliatelle pasta

Serving

  • 1/2 cup shaved Parmigiano-Reggiano, for serving
  • 1 tbsp fresh chives, for serving
Contains: gluten, eggs, milk, sulfites, mollusks

Why this recipe works

The slow-cooking process is essential for extracting the maximum flavor from the mixed mushrooms. By cooking them on a low setting for three hours, the mushrooms soften and release their umami-rich juices, which then emulsify with the butter, cognac, and beef stock.

This method ensures that the final sauce is deeply flavored and perfectly balanced without the need for constant stirring or monitoring during the main cooking phase.

Ready to start cooking right away??? Jump to Part 2 ? Step-by-Step Method ?

Using mascarpone cheese instead of traditional heavy cream provides a richer, more stable texture that binds the sauce beautifully to the pasta. Unlike standard creams, mascarpone has a high fat content and a subtle tang that complements the earthiness of the mushrooms and the depth of the cognac. This results in a luxurious, restaurant-quality pasta sauce that remains smooth and indulgent from the first bite to the last.

Notes and substitutions

Selecting high-quality ingredients is key to the success of this recipe. Use a variety of fresh mushrooms to ensure a complex texture and flavor profile; the mix of cremini, shiitake, and oyster mushrooms offers the best balance of earthy, meaty, and delicate notes.

When purchasing cognac, a standard cooking-grade variety is perfectly sufficient, as the slow-cooking process will mellow the alcohol and leave behind a refined, woody essence.

For the equipment, a standard 6-quart Crockpot is ideal, as it provides enough surface area for the ingredients to cook evenly without overcrowding. If you find that your Crockpot runs hotter than average, keep a close eye on the pasta during the final stage to ensure it does not overcook.

Always use fresh egg tagliatelle, as its delicate structure is designed to absorb and hold onto rich cream-based sauces more effectively than standard dried semolina pasta.

  • Cognac: Brandy or a dry white wine like Pinot Grigio can be substituted if cognac is unavailable.
  • Beef stock: Vegetable stock or mushroom broth can be used for a lighter or vegetarian-friendly alternative.

Equipment

  • 6-quart Crockpot
  • Chef knife
  • Cutting board
  • Measuring cups
  • Measuring spoons
  • Carving fork

Coming up in Part 2: the method

  1. Layering the base · 1 stepPrepare and combine slow-cooker base
  2. Slow-cooking the mushrooms · 1 stepSlow-cook the mushroom mixture
  3. Incorporating finishing ingredients · 1 stepFinish with mascarpone, truffle, and pasta

Up next · Part 2 of 3

3 steps · 3 h of cooking · what to look for at each stage

Step-by-step instructions (Part 2)