Pierogies with Classic Meatballs and Vodka Sauce - Mrs. T's Pierogies

Ingredients

• 1 box Mrs. T’s Garlic & Parmesan Pierogies
• 4 tablespoons olive oil
• ½ cup onion, diced and divided
• 2 cloves garlic, minced
• ½ cup tomato paste
• ½ cup heavy cream
• 2 tablespoons vodka (substitute: lemon juice if needed)
• 1 teaspoon salt
• ½ teaspoon dried or fresh parsley, minced
• 3 tablespoons Parmesan cheese, plus more for serving
• 1 pound ground beef
• 1 egg
• ½ cup breadcrumbs