
A baking substitute for sour cream is a homemade mixture designed to replicate the tangy flavor and creamy texture of sour cream in recipes. It is most commonly made by combining milk or cream with an acid like lemon juice or vinegar, or by blending plain yogurt with a fat source. This quick kitchen hack is a staple in home baking across North America and Europe for its convenience and accessibility.
This substitute is typically high in fat and moderate in carbohydrates, providing a good source of calcium and protein. A standard serving generally contains around 150-200 calories, depending on whether milk, cream, or yogurt is used as the base.
| Calories | 160 kcal |
| Protein | 8 g |
| Carbs | 12 g |
| Fat | 10 g |
| Fiber | 0 g |
| Sugar | 12 g |
| Sodium | 90 mg |
| Calcium | 280 mg |
| Phosphorus | 180 mg |
| Vitamin B12 | 1.0 mcg |
| Riboflavin (B2) | 0.3 mg |
| Potassium | 350 mg |
| Vitamin A | 80 mcg RAE |
| Magnesium | 25 mg |
| Selenium | 8 mcg |
Per 1 cup (240 g) · estimated, varies by recipe
This is a classic culinary 'acid-base' reaction, where adding an acid to milk causes the casein proteins to curdle, creating a thick, tangy product similar to sour cream. It is a prime example of how basic chemistry is used in the kitchen to create texture and flavor without needing a specialized dairy product.