Cover the dried mushrooms with broth or stock in a small pot, and bring to a boil.
Remove from heat, cover, and let it steep for 15 minutes.
Heat a large skillet over medium-high, add olive oil, then sauté the onions for 2 minutes.
Add garlic and cook until fragrant.
Add the crumbled sausage to the skillet and cook until browned.
Remove from the pan and set aside.
Introduce the cooked rice to the skillet, seasoning with salt and black pepper.
Allow it to crisp for 7 to 8 minutes until golden brown.
Mix in the mushrooms, sausage, cheese, and oregano, combining everything thoroughly.
Serve hot!