One pan meatballs and orzo with mushrooms

Name: One pan meatballs and orzo with mushrooms
Prep time: 15 min
Cook time: 35 min
Total time: 50 min
Cuisine: American
Ingredients: Meatballs; 1 tbsp. olive oil; 1 small onion (diced (or 2 shallots)); 2 cloves garlic (minced); 1/2 lb. mushrooms (cleaned and thinly sliced // 227g); 1 1/2 cups uncooked orzo // 360ml; 2 1/2 cups stock - chicken (beef or vegetable // 600ml); 1/2 cup light cream or half & half // 120ml; 1/2 cup shredded parmesan cheese 120ml; salt and pepper to taste; Chopped herbs - parsley (oregano, or marjoram (optional)); 2 tbsp. olive oil; 1 egg; 2/3 cup panko breadcrumbs; 1/2 cup whole milk; 1 1/2 tsp. Diamond Crystal kosher salt; 1 tsp. black pepper - a few grinds of the peppermill; 1 tsp. onion powder; 1 tsp. dried basil; 1/2 cup finely grated parmesan; 1 lb. 85/15 ground beef; 1/4 cup flat leaf parsley (chopped (optional, but recommended))