Guinness Glazed Meatballs are the ultimate St. Patrick's Day appetizer. These easy homemade meatballs are infused with Guinness beer and smothered in a sweet and savory Guinness BBQ sauce. They make the perfect party appetizer, or you can serve them over mashed potatoes for a delicious St. Paddy's Day dinner. Whether you're hosting a party or just planning an Irish-inspired meal at home, you're sure to love the delicious flavor in these Guinness Glazed Meatballs!