1. Heat the olive oil in a large pot over medium heat. Once shimmering, add the sliced mushrooms and sauté for about 6–8 minutes until they’re golden and their moisture has evaporated. This step is key for developing that deep, earthy flavor I love.
2. Add the chopped onion and cook for another 3–4 minutes until translucent. Stir in the minced garlic and cook for 30 seconds until fragrant. Be careful not to burn the garlic—I’ve learned the hard way that burnt garlic can ruin the whole dish!
3. Pour in the broth and add the dried thyme. Bring the mixture to a boil, then reduce heat and let it simmer for about 10 minutes. This allows the flavors to meld beautifully while you get everything else ready.
4. Stir in the tortellini and cook according to package instructions, usually about 3 to 5 minutes, until tender but still slightly firm—a perfect al dente bite.
5. Lower the heat and pour in the heavy cream and butter, stirring gently until the butter melts and the chowder becomes luxuriously creamy. Add the grated Parmesan cheese and stir until melted and fully incorporated.
6. Season with salt, freshly ground black pepper, and if you’re feeling a little adventurous, a pinch of crushed red pepper flakes to add a subtle warmth.
7. Remove from heat and let the chowder sit for a minute before serving. Garnish with chopped fresh parsley and an extra sprinkle of Parmesan for that perfect finishing touch.

I often sneak a taste at this point, adjusting the seasoning just right. It reminds me of those moments in my grandmother’s kitchen, where tasting and tweaking was part of the magic.