Easy Slow Cooker Tuna Casserole

This slow cooker tuna casserole with macaroni and mushrooms is creamy and cheesy with melt-in-your-mouth pasta.

• Preparation Time: 10 mins
• Cooking Time: 5 hr
• Total Time: 5 hr 10 mins
• Calories: 489 Calories

Ingredients

• salt and ground black pepper to taste
• 1 (5 ounce) can tuna
• nonstick cooking spray
• 1 cup chopped fresh mushrooms
• 1 cup shredded mild Cheddar cheese
• 2 cloves garlic, diced
• 2 cups 2% milk
• 8 ounces uncooked macaroni pasta
• 1 (10.5 ounce) can condensed cream of mushroom soup (such as Campbell's®)

Recipe Instructions

Step 1

Spray a slow cooker with nonstick spray to coat.

Step 2

Combine milk, condensed soup, and garlic in the slow cooker. Stir in tuna, Cheddar cheese, then mushrooms. Add macaroni, season with salt and pepper, and stir to mix.

Step 3

Cover and cook on Low until pasta is very soft, 5 to 6 hours.