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Butter substitutes
Find substitutes for butter, with practical ratios and notes on texture, rise, moisture, flavour and calories.
What butter does in a recipe
Butter is fat with about a sixth water. In creamed cakes it traps air, in pastry it separates layers, in sauce it carries flavour and gloss. A substitute must do the fat job and, where it matters, the water job.
Substitution is about structure, not taste, and no table row overrides an allergy. If the swap is for gluten, egg, dairy or nut allergy, use a recipe written for that diet: allergen-free baking changes the structure of the recipe, not just one ingredient.
Substitutes and ratios
| Use | Ratio | Best for | What changes |
|---|---|---|---|
| Margarine, stick | 1 : 1 | creamed cakes, cookies, most baking | The same water content, so it behaves almost identically; cakes are marginally less rich. Calories essentially equal. |
| Vegetable oil | 1 cup butter = ¾ cup + 1 tbsp oil | quick breads, muffins, some cookies | Loses the creaming ability — no trapped air — so the crumb is denser. Same calories, softer texture. |
| Coconut oil | 1 : 1, room-temperature solid | vegan baking, pie crust | Solid at room temperature like butter, so it creams; adds a coconut note. Slightly more saturated fat, same calories. |
| Lard | 1 : 1 | pie and pastry crusts | The classic pastry fat; flakier than butter and no water to make steam. Calories equal. |
Substitution ratios and techniques: standard kitchen reference tables. Calorie comparisons use USDA FoodData Central figures. Checked 2026-09-06.
Frequently asked questions
Can I always swap oil for butter in a cake?
Not at one to one, and not when the recipe creams the butter. Creaming traps air that oil cannot hold, so the cake loses lift. Reduce the oil to about three quarters of the butter and expect a denser, moister crumb.
Ingredients with a similar job
Track the ingredient you really used
TempoLife records the actual swap so the nutrition total reflects your plate, not the recipe you started with.