Savory Meatballs with Onion Gravy and Mashed Potatoes - Mr. Cook

Ingredients

• 1 lb ground beef
• ½ cup breadcrumbs
• 1 egg
• ½ onion, finely chopped
• 1 clove garlic, minced
• ½ teaspoon salt
• ¼ teaspoon black pepper
• 1 tablespoon olive oil
• 2 large onions, thinly sliced
• 2 cups beef broth
• 2 tablespoons flour
• 2 tablespoons butter
• ½ teaspoon Worcestershire sauce
• 4 large potatoes, peeled and cubed
• ½ cup milk
• Salt to taste