Green Beans with Creamy Porcini Mushroom Sauce
Fresh green beans are with a rich, savory mushroom sauce made from dried porcini and cremini mushrooms. The earthy porcini soaking liquid concentrates into a flavorful base, while heavy cream and Parmigiano Reggiano create a luxurious coating. This elegant side dish transforms simple green beans into something special, perfect for holiday dinners or when you want to make vegetables the star. The combination of two mushroom varieties adds depth, while fresh thyme and parsley brighten the rich sauce.
Ingredients
- 1 ounce dried porcini mushrooms
- ½ cup boiling water
- 2 tablespoons butter
- 1 small onion, diced
- 8 ounces cremini mushrooms, sliced
- 2 cloves garlic, chopped
- 1 teaspoon thyme, chopped
- ½ cup heavy cream
- ½ cup parmigiano reggiano, grated
- salt and pepper, to taste(optional)
- 1 handful parsley, chopped
- 1 pound green beans
Instructions
- 1
Soak the dried porcini mushrooms in boiling water for 20 minutes
- 2
Melt butter in a pan over medium heat
- 3
Add onions and saute until tender
- 4
Add garlic and thyme and saute until fragrant
- 5
Add cremini mushrooms and saute until they start to caramelize and turn golden brown
- 6
Add porcini mushrooms and their soaking water to the pan and simmer at medium-high until reduced by half
- 7
Add cream and parmigiano reggiano, season with salt and pepper and simmer until thickened
- 8
Steam the green beans
- 9
Remove mushrooms from heat and mix in parsley
- 10
Serve green beans covered in mushroom sauce
Tips
Save the porcini soaking liquid as it contains concentrated mushroom flavor that becomes the sauce base.
Don't rush the cremini mushrooms - let them caramelize properly for the best flavor and color.
Steam green beans just until crisp-tender to maintain their bright color and slight crunch.
Good to Know
Refrigerate leftovers up to 3 days. Reheat gently to prevent cream from breaking.
Make sauce up to 1 day ahead. Steam green beans just before serving for best texture.
Serve immediately while sauce is warm and green beans are tender-crisp.
Common Mistakes
Don't boil the cream sauce or it may curdle - keep at a gentle simmer.
Avoid overcooking green beans to prevent mushy texture and color loss.
Substitutions
Dairy-Free Swaps
General Alternatives
FAQ
Can I use fresh mushrooms instead of dried porcini?
You can substitute with more cremini mushrooms, but you'll lose the intense porcini flavor and need to add mushroom or vegetable broth for the sauce base.
What if I don't have a steamer for the green beans?
Blanch green beans in boiling salted water for 3-4 minutes until crisp-tender, then drain well before serving with the sauce.
How long will this keep in the refrigerator?
Store covered for up to 3 days. The sauce may thicken when cold, so reheat gently and add a splash of cream if needed.