National Cream Cheese Brownie Day is celebrated worldwide every February 10. This day honors the cream cheese brownie, a popular American dessert characterized by its rich chocolate flavor and smooth texture created by swirling cream cheese batter into the brownie mix. The origins of brownies date back to 1906 with the publication of the first recipe in The Boston Cooking-School Cook Book, although they are believed to have existed as early as the mid-1800s. Unlike zebra brownies, which feature a cheesecake layer atop a brownie layer, cream cheese brownies incorporate the cream cheese directly into the brownie batter, resulting in a visually appealing swirl pattern. This day encourages people to enjoy and indulge in this delectable treat.