Ultra comfort-food for my daughter, when she comes home from college! Be sure to use arborio rice, and keep stirring. Although risotto is usually a side dish, this is DEFINATELY a main-course in my book!
Preheat large Dutch oven sized pot. Season ground beef with salt & pepper. Brown, but don't over cook. Drain if necessary (leave some for cooking onions & mushrooms) and remove to plate.
In same pan, add a little olive oil if necessary. Sauté mushrooms until caramelized. Set aside in a bowl. Into same pan, add diced onion until almost caramelized. Add sherry, hot sauce, Worcestershire, mushroom powder, and garlic powder. Cook 2-3 more minutes.
Add rice and stir well. Add broth ¾ cup at a time. Cook down - stirring often until almost absorbed, but loose. Total should be about 20 minutes.
Add mushrooms and return ground beef, butter, Parmesan, and sour cream. Stir well. Cook 2-3 minutes. Serve immediately, topped with chopped fresh chives.