Select the substitute based on your recipe type: anise seed for both baking and cooking, caraway for savory dishes, dill seed for pickling, DIY blend for balanced flavor, and star anise powder for slow-cooked meals.
Prep the substitute by grinding if needed, and measure according to the given ratios to match fennel seed flavor intensity.
Apply the substitute in place of fennel seed using the specified ratio, adjusting taste if necessary especially for stronger options like star anise powder.
Mix or evenly incorporate the substitute into your dish and warm or cook as needed to blend flavors well.
Taste and adjust seasoning or substitute quantity if the flavor is too sharp or mild for your preference.