1. Prepare the Mushrooms & Broth:
* Rehydrate Dried Porcini (if using): Place the dried porcini mushrooms in a small bowl. Pour about 1 cup of boiling water or hot broth over them. Let them steep for 20-30 minutes until softened. Carefully lift the mushrooms out of the liquid, squeezing gently (reserve the flavourful soaking liquid!). Finely chop the rehydrated porcini. Strain the soaking liquid through a fine-mesh sieve lined with a coffee filter or paper towel to remove any grit; add this potent liquid to your main pot of broth.
* Keep Broth Hot: Pour your vegetable or chicken broth (plus the strained porcini liquid, if using) into a medium saucepan. Bring it to a simmer over medium heat. Keep it barely simmering (not boiling) throughout the risotto cooking process. This is crucial.
* Clean & Chop Fresh Mushrooms: Wipe fresh mushrooms clean with a damp paper towel (avoid washing if possible, as they absorb water). Trim any tough stems (especially from shiitakes) and slice or chop them as desired.

2. Sauté the Fresh Mushrooms:
* In a large, heavy-bottomed saucepan or Dutch oven (wide is better than deep), heat 1 tablespoon of olive oil and 1 tablespoon of butter over medium-high heat.
* Once the butter is melted and shimmering, add the fresh mushrooms. Spread them in a relatively even layer (cook in batches if necessary to avoid overcrowding).
* Cook, stirring occasionally, for 5-8 minutes, until the mushrooms release their liquid, the liquid evaporates, and the mushrooms become nicely browned and slightly crispy. Good browning equals deep flavour.
* If using fresh thyme, add it during the last minute of cooking.
* Season the mushrooms lightly with salt and pepper.
* Remove the cooked mushrooms from the pan and set them aside in a bowl.

3. Sauté Aromatics:
* Add the remaining 1 tablespoon of olive oil and 1 tablespoon of butter to the same pan used for the mushrooms. Reduce heat to medium.
* Add the finely chopped shallot (or onion) and a pinch of salt. Cook gently, stirring frequently, for 3-5 minutes until softened and translucent, but not browned.
* Add the minced garlic and the chopped rehydrated porcini (if using). Cook for another minute until fragrant, stirring constantly to prevent the garlic from burning.

4. Toast the Rice:
* Add the Arborio rice to the pan with the aromatics. Increase the heat slightly to medium-high.
* Stir the rice constantly for 1-2 minutes. This step, called tostatura, toasts the outside of each grain, helping it absorb liquid gradually and retain its shape. The grains should become slightly translucent around the edges, and you might hear a slight clicking sound. Do not let the rice brown.

5. Deglaze with Wine:
* Pour the dry white wine into the pan. It will bubble and steam vigorously.
* Stir constantly, scraping up any browned bits (fond) from the bottom of the pan, until the wine has almost completely evaporated and the smell of alcohol has dissipated (about 1-2 minutes).

6. The Risotto Rhythm: Add Hot Broth & Stir:
* Now begins the core risotto process. Ensure your broth is simmering gently.
* Add one ladleful (about 1/2 cup) of the hot broth to the rice mixture.
* Stir the rice frequently, but not necessarily constantly. Use a wooden spoon or heatproof spatula, making sure to scrape the bottom and corners of the pan. The motion should be smooth and steady, encouraging the rice grains to rub against each other, releasing their starch.
* Allow the rice to absorb almost all the liquid before adding the next ladleful. The mixture should always be moist and gently simmering, but not soupy. You should be able to see the bottom of the pan for a second when you draw the spoon through it.
* Continue adding the hot broth, one ladleful at a time, stirring frequently and allowing each addition to be mostly absorbed before adding the next. This process typically takes 18-25 minutes from the first addition of broth.
* Patience is key here. Don’t rush by adding too much liquid at once or turning the heat too high. Maintain a medium, consistent simmer.

7. Check for Doneness:
* Start tasting the rice after about 15-18 minutes. It should be creamy and tender but still have a slight bite or firmness in the center – this is al dente. It should not be crunchy, nor should it be mushy like porridge.
* The overall consistency should be fluid and creamy, like a thick sauce or “all’onda” (like a wave) – it should flow gently if you tilt the pan, not be stiff or clumpy. If you run out of broth and the rice isn’t quite done, you can add a little hot water.

8. Incorporate Mushrooms & Season:
* Once the rice is nearly al dente (perhaps needing one last ladle of broth), stir the previously sautéed fresh mushrooms back into the risotto. Add another ladleful of broth if needed to maintain the creamy consistency. Cook for another minute or two to heat the mushrooms through.
* Taste the risotto carefully. Add salt and freshly ground black pepper as needed. Remember the Parmesan will add saltiness, so slightly under-salt at this stage if unsure.

9. The Mantecatura (Finish Off Heat):
* Turn off the heat completely.
* Add the remaining 2 tablespoons of cold butter and the freshly grated Parmigiano-Reggiano cheese.
* Stir vigorously for about 30 seconds to 1 minute. This final step emulsifies the fats and starches, creating an exceptionally creamy, glossy finish without adding cream.
* Stir in the chopped fresh parsley.

10. Rest and Serve:
* Let the risotto rest off the heat for 1-2 minutes. This allows the flavours to meld and the texture to settle into perfect creaminess. It will thicken slightly upon standing. If it becomes too thick, stir in a tiny splash more hot broth or hot water just before serving.
* Serve immediately in warm, shallow bowls. Garnish with extra grated Parmesan, a sprinkle of fresh parsley, and perhaps a drizzle of good quality olive oil or truffle oil (if desired).