In a large skillet over medium heat, add the 2 tablespoons of olive oil. Allow it to warm up for about a minute.
Add the thinly sliced onion to the skillet. Sauté for about 3-4 minutes, or until the onions become translucent and fragrant.
Stir in the cauliflower florets. Cook for approximately 5 minutes, stirring occasionally, until they start to soften.
Next, add the quartered mushrooms to the skillet. They will release moisture while cooking, which adds depth to the flavor.
Sprinkle in the Italian seasoning, dried oregano, salt, and black pepper. Stir well to ensure the vegetables are evenly coated with the spices.
Pour in the 1/4 cup of vegetable broth and add the minced garlic. Stir everything together and let it simmer for about 5-7 minutes, or until the cauliflower and mushrooms are tender.
If you like some heat, sprinkle in red pepper flakes to taste. This step is optional but highly recommended for those who enjoy a spicy kick!
Remove the skillet from heat. Garnish your dish with freshly chopped parsley for a pop of color and freshness. Serve immediately and enjoy your Cauliflower-Mushroom Recipe!