Maple Syrup (Best Option)
1:1 (1 tablespoon maple syrup per 1 tablespoon honey)Maple syrup works well as a honey substitute because it has a similar viscosity and sweetness level, which helps retain the moisture balance in the Shepherd's Pie filling. Its subtle caramel and woody notes blend well with the savory ingredients without overpowering them.
To ensure success, use pure maple syrup and add it gradually, tasting as you go to avoid excessive sweetness. Because it is slightly thinner than honey, avoid adding extra liquid elsewhere in the recipe.
Compared to honey, maple syrup will impart a slightly different but equally pleasant sweetness, enhancing the overall flavor complexity without altering the texture significantly.