The reviews highlight Tong Heng's renowned diamond-shaped egg tarts appreciated for their flaky crust and rich custard, making them a longstanding favorite. Customers also value the traditional taste, despite concerns over cost and inconsistent quality. While service experiences vary, with some praising hospitality and others citing dissatisfaction with packaging and product freshness, the shop remains a popular choice for baked goods, especially in Western Singapore. Overall, the brand's legacy endures, though improvements in packaging, product consistency, and customer service are suggested.