Identify your recipe's need for moisture, binding, or mild flavor to choose the appropriate pumpkin substitute.
For zucchini puree, drain excess water in a fine-mesh strainer for 10 minutes before use to avoid watery texture.
Use any substitute puree in a 1:1 ratio to replace pumpkin puree.
Adjust liquids by reducing 1–2 tablespoons if the substitute looks wetter than expected.
Add extra flour as needed: 1–2 tablespoons for carrot or 2–4 tablespoons for zucchini and applesauce to maintain proper batter consistency.
Cut back on sweeteners by 1–3 tablespoons when using sweeter substitutes like sweet potato or applesauce to balance flavor.
Taste and check batter consistency before baking or cooking, making further adjustments to liquid or flour if necessary.