Sicilian Rice Casserole Recipe

Name: Sicilian Rice Casserole Recipe
Prep time: 30 min
Cook time: 1 h 20 min
Total time: 1 h 50 min
Cuisine: European, Italian, Mediterranean
Ingredients: 1 large onion (diced); 1 clove garlic (minced); 2 carrots (diced); 2 stalks celery (diced); 1/2 package mushrooms, (about 100 gramsor 4 oz (sliced)); 2 tbsp olive oil; 1/4 cup white wine; 450 grams combined ground veal/beef/pork ((1 lb)); 720 ml tomato passata ((24 oz)); 1 1/2 cups peas, (frozen); 2 cups long grain rice; tbsp butter; butter (for greasing the casserole); 1/4 cup breadcrumbs; 1/2 cup combined Parmigiano and Pecorino Romano cheeses (plus 1 tbsp for top)