Using Sour Cream Instead of Greek Yogurt
Ratio
1:1
Excellent — nearly identical results
Measurement Variance Note
For 1 cup references, this ingredient can vary by about 6% across brands and measuring methods (235g-265g per cup). For the most reliable substitution result, measure by weight and test a half batch first.
What changes when you swap greek yogurt for sour cream
Swap sour cream into a recipe written for Greek yogurt and the fat content roughly doubles — sour cream sits at 18-20% fat while strained Greek yogurt hovers near 0-5%. In a coffee cake or pound cake the result is a richer, plusher crumb with a softer edge brown; both ingredients deliver similar acidity (pH around 4.4), so leavening behaviour stays predictable and the 1:1 ratio holds without adjustment.
- Protein drops from roughly 10g per 100g (Greek yogurt) to 2-3g (sour cream), so flourless cheesecake batters and high-protein muffins lose some of the structural set they relied on.
- Sour cream's extra fat tenderises gluten more aggressively — a virtue in chocolate bundt cake, a liability in tangy yogurt scones where you wanted a tighter, drier bite.
- Calorie load climbs about 60% per cup, and the tang reads rounder and less yogurt-sharp, which can dull lemon or berry flavours that leaned on yogurt's astringency.