If one ingredient is missing from the list for homemade tocino, it is still possible to make the recipe, but the result might differ in flavor, texture, or appearance. For example, omitting anisette liquor or pineapple juice could reduce the tocino's characteristic sweetness and tanginess. Missing Prague powder #1 or sodium phosphate may affect the preservation and texture of the meat. Each ingredient has a specific role in achieving the desired taste and texture, so while the tocino will remain edible, it might not have the same depth of flavor or color. Adjustments may be necessary based on the ingredients you have.