Mayo vs Sour cream
A side-by-side guide to substituting Sour cream for Mayo (or vice versa).
Sour cream works as a 1:1 swap for Mayo in most recipes.
Side-by-side
Sour cream
Conversion: 1:1 substitution (use the same amount)
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Notes: Use equal volume of sour cream for mayo. Sour cream is tangier and thinner; thin with milk if needed for spreading consistency. Works in dressings, dips, and baking but changes flavor profile.
Read the full guide: Sour cream
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Open calculator →When to use Sour cream instead of Mayo
Use equal volume of sour cream for mayo. Sour cream is tangier and thinner; thin with milk if needed for spreading consistency. Works in dressings, dips, and baking but changes flavor profile. The conversion is 1:1 substitution (use the same amount).
Common questions
Yes — Use equal volume of sour cream for mayo. Sour cream is tangier and thinner; thin with milk if needed for spreading consistency. Works in dressings, dips, and baking but changes flavor profile. Ratio: 1:1 substitution (use the same amount).
1:1 substitution (use the same amount). For other quantities, use the SubSwap calculator.
They are similar in most uses, but Use equal volume of sour cream for mayo..
Sour cream is one of the options SubSwap lists for Mayo. The 'best' choice depends on your recipe — see the full list of Mayo substitutes.
Looking for more Mayo substitutes beyond Sour cream?
See all Mayo swaps →