Honey (Best Option)
1:1 (1 tablespoon honey per 1 tablespoon maple syrup)Honey works well as a substitute because it has a comparable viscosity and sweetness level to maple syrup, which helps maintain the moisture and subtle sweetness in the Shepherd's Pie filling. The natural sugars in honey caramelize slightly during baking, enhancing the overall flavor complexity.
When using honey, ensure it is well incorporated to avoid localized sweetness pockets. Because honey is slightly more viscous, it may require gentle warming or stirring to blend smoothly into the filling mixture.
Compared to maple syrup, honey imparts a floral sweetness that is slightly less caramelized but still complements the savory elements effectively, resulting in a well-balanced final dish.