Slow Cooker Cheesy Mushroom Potatoes

Ingredients

• 2 tablespoons olive oil
• 1 teaspoon butter
• 1/2 pound white mushrooms, sliced
• 5 large Yukon Gold potatoes, quartered and sliced
• 4 cups shredded Cheddar cheese
• 1/2 cup milk
• 1/4 cup minced onion
• 2 tablespoons butter
• 1 tablespoon garlic salt
• 1/4 teaspoon ground black pepper

Directions

Heat olive oil and 1 teaspoon butter in a skillet over medium heat. Cook and stir mushrooms in butter until tender and browned, about 10 minutes.

Stir cooked mushrooms, potatoes, Cheddar cheese, milk, onion, 2 tablespoons butter, garlic salt, and black pepper together in a slow cooker.

Cook on High until potatoes are tender and Cheddar cheese is melted, about 4 hours.