Mashed Potatoes:

• 1 1/2 pounds russet potatoes, peeled and cubed
• 1/4 cup whole milk
• 2 tablespoons unsalted butter
• Salt and pepper to taste

Meatball Mushroom Stew:

• 1 pound ground beef
• 1/4 cup breadcrumbs
• 1 egg
• 2 cloves garlic, minced
• 1/2 teaspoon onion powder
• 1/4 teaspoon dried thyme
• 1/2 teaspoon salt
• 1/4 teaspoon black pepper
• 2 tablespoons olive oil
• 8 ounces cremini or white mushrooms, sliced
• 1 small yellow onion, diced
• 1 tablespoon all-purpose flour
• 1 1/2 cups beef broth
• 1 tablespoon Worcestershire sauce
• 1/4 cup heavy cream
• Chopped fresh parsley for garnish (optional)