Ground Beef Spinach Casserole

Ingredients

• 1 pound ground beef
• 1 medium onion , chopped
• 1 clove garlic , minced, or more to taste
• 1 can sliced mushrooms , 10 ounce
• 1 teaspoon dried oregano
• 2 dashes hot pepper sauce , or more to taste
• salt and ground black pepper to taste
• 2 packages frozen chopped spinach , 10 ounce
• 1 can condensed cream of celery soup , 10.5 ounce
• 1 cup sour cream
• 1 package shredded mozzarella cheese , 8 ounce

Instructions

1. 1

   Preheat the oven to 350 degrees F (175 degrees C).

2. 2

   Heat a large skillet over medium-high heat. Add ground beef, onion, and garlic; cook and stir in the hot skillet until beef is browned and crumbly, 5 to 7 minutes. Drain and discard grease. Add mushrooms, oregano, hot sauce, salt, and pepper; simmer for 5 minutes.

3. 3

   Add spinach, condensed soup, and sour cream; cook until heated through, about 5 minutes. Transfer mixture to a casserole dish and cover with mozzarella cheese.

4. 4

   Bake in the preheated oven until cheese is melted, 15 to 20 minutes.