You should regularly monitor and evaluate the performance of your signature dishes, using metrics such as sales volume, profit margin, customer satisfaction, and food cost. Tools like POS systems, inventory management software, and customer feedback surveys can help you collect and analyze data. Additionally, periodic audits, reviews, and taste tests can assess the quality and consistency of your signature dishes. Based on the results, you can make adjustments to improve your signature dishes. Consider changing the ingredients, portions, or presentation to enhance the flavor, appearance, or value of your dishes. You may also want to update the descriptions, names, or prices to reflect current trends, seasons, or customer preferences. Promoting them more effectively through social media, online reviews, or word-of-mouth is another way to optimize your signature dishes. Finally, you may need to add or remove dishes from your menu to ensure a selection and variety that works best for you.