
Mushroom and Rice Casserole is a hearty, comforting baked dish that combines earthy mushrooms, creamy sauce, and fluffy rice, often topped with cheese or breadcrumbs. It typically features ingredients like button or cremini mushrooms, onions, garlic, and herbs, and is a staple in American home cooking, particularly popular for family dinners and potlucks.
This dish is generally high in carbohydrates from the rice and may contain moderate fat from cheese or cream-based sauces, while providing protein from mushrooms and any added dairy or meat. It offers key nutrients like B vitamins, selenium, and fiber from mushrooms, with a typical serving ranging from 300 to 500 calories depending on recipe variations.
| Calories | 220 kcal |
| Protein | 8 g |
| Carbs | 32 g |
| Fat | 7 g |
| Fiber | 3 g |
| Sugar | 3 g |
| Sodium | 480 mg |
| Potassium | 320 mg |
| Phosphorus | 150 mg |
| Selenium | 12 mcg |
| Copper | 0.3 mg |
| Niacin (B3) | 4.5 mg |
| Riboflavin (B2) | 0.25 mg |
| Iron | 2.1 mg |
| Zinc | 1.8 mg |
Per 1 cup (240 g) · estimated, varies by recipe
Culturally, this casserole reflects the mid-20th century American trend of convenient, one-dish meals that became popular for their ease and adaptability, often using pantry staples. Nutritionally, mushrooms add a unique umami depth and are a rare non-animal source of vitamin D when exposed to sunlight, enhancing the dish's flavor and health appeal.