Ingredients for - Leftover Prime Rib with Mushrooms and Mashed Potatoes

1. Butter 2 teaspoons
2. Water 2 teaspoons
3. Minced garlic 2 tablespoons
4. Sliced fresh mushrooms 2 cups
5. Cooked leftover prime rib, cut into 1-inch cubes 2 (1 inch) thick slices
6. Leftover mashed potatoes, or more to taste 1 ½ cups
7. Salt and ground black pepper to taste 1 ½ cups

How to cook deliciously - Leftover Prime Rib with Mushrooms and Mashed Potatoes

1 . Stage

Melt butter in large skillet over medium heat. Add water and minced garlic; stir for 1 minute. Add mushrooms, cover, and cook, stirring occasionally, until mushrooms are tender, about 5 minutes. Add prime rib and mashed potatoes and turn heat to low. Cook, stirring occasionally, until everything is heated through, 5 to 7 minutes. Season with salt and pepper.