Spinach Fandango

Ingredients

• 1 lb lean ground beef
• 1 large onion, chopped
• 2 (3 ounce) cans sliced mushrooms, drained
• 0.5 (10 ounce) carton frozen chopped spinach, Defrosted
• 1 (10 ounce) can cream of celery soup
• 1 cup Minute Rice
• 1 cup sour cream, plus
• 2 tablespoons red wine vinegar, stir and set aside
• 1 teaspoon oregano
• 1 teaspoon black pepper
• 14 teaspoon salt
• 34 teaspoon granulated garlic or 34 teaspoon garlic powder
• 1 cup mozzarella cheese, shredded