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Best Sour Cream Substitute in Doughnuts

5 tested options with exact ratios, science-backed explanations, and tips for success.

Quick Answer

The best substitute for Sour Cream in Doughnuts is Greek Yogurt because it closely mimics the tangy flavor and creamy texture while providing similar moisture and acidity that react well with leavening agents.

Top 5 Sour Cream Substitutes for Doughnuts

Substitute Ratio
Greek Yogurt (Best) 1:1 (1 cup Greek yogurt per 1 cup sour cream)
Buttermilk 3/4 cup buttermilk + 1/4 cup melted butter per 1 cup sour cream
Crème Fraîche 1:1 (1 cup crème fraîche per 1 cup sour cream)
Silken Tofu + Lemon Juice 3/4 cup silken tofu blended + 2 tbsp lemon juice per 1 cup sour cream
Cottage Cheese (Blended) + Lemon Juice 3/4 cup blended cottage cheese + 2 tbsp lemon juice per 1 cup sour cream

Detailed Guide: Each Sour Cream Substitute in Doughnuts

Greek Yogurt (Best Option)

1:1 (1 cup Greek yogurt per 1 cup sour cream)
Gluten-Free Nut-Free
Quick tip: Use full-fat Greek yogurt for best texture; it maintains moisture and tanginess similar to sour cream.

Greek yogurt has a similar protein content and acidity level as sour cream, which helps in tenderizing the doughnut dough and activating baking soda for proper leavening. Its creamy texture ensures the dough remains moist without becoming runny.

For best results, use full-fat Greek yogurt and avoid overly thick or strained varieties that might dry out the dough. Stir the yogurt well before measuring to ensure consistency.

Compared to sour cream, Greek yogurt yields doughnuts with a slightly tangier flavor and a tender crumb, closely matching the original texture and rise.

Buttermilk

3/4 cup buttermilk + 1/4 cup melted butter per 1 cup sour cream
Gluten-Free Nut-Free
Quick tip: Combining buttermilk with butter replicates sour cream’s moisture and fat content, preserving doughnut texture and flavor.

Buttermilk provides the acidity needed to react with baking soda, while the added melted butter compensates for the fat content sour cream contributes. This combination maintains the right balance of moisture and tenderness in doughnuts.

Mix the buttermilk and melted butter thoroughly before adding to the dough to ensure even distribution of fat and acidity.

This substitute results in slightly lighter doughnuts with a mild tang, and the crumb may be a bit less creamy than with sour cream but still tender and moist.

Crème Fraîche

1:1 (1 cup crème fraîche per 1 cup sour cream)
Gluten-Free Nut-Free
Quick tip: Crème fraîche is richer and less tangy, so doughnuts may be creamier but with a milder flavor.

Crème fraîche has a similar fat content and creamy texture but is less acidic than sour cream, which can slightly reduce the leavening reaction in doughnuts. It still provides moisture and richness that help maintain tenderness.

Use full-fat crème fraîche and avoid low-fat versions to preserve the doughnut’s texture. You might want to add a small splash of lemon juice to increase acidity if desired.

Doughnuts made with crème fraîche tend to be richer and softer but may lack some of the characteristic tanginess sour cream imparts.

Silken Tofu + Lemon Juice

3/4 cup silken tofu blended + 2 tbsp lemon juice per 1 cup sour cream
Vegan Gluten-Free Dairy-Free Nut-Free
Quick tip: A good vegan substitute that mimics texture and acidity but may slightly alter flavor and crumb structure.

Blended silken tofu provides the creamy texture and moisture needed, while lemon juice adds acidity to activate baking soda. This combination approximates sour cream’s functional properties in doughnuts.

Ensure the tofu is well blended to avoid lumps, and mix lemon juice thoroughly for even acidity. The tofu’s mild flavor can slightly mute the doughnut’s sweetness.

Final doughnuts will be moist and tender but may have a slightly denser crumb and less pronounced tang compared to sour cream.

Cottage Cheese (Blended) + Lemon Juice

3/4 cup blended cottage cheese + 2 tbsp lemon juice per 1 cup sour cream
Gluten-Free Nut-Free
Quick tip: Blended cottage cheese adds protein and moisture but can introduce a grainier texture if not processed well.

Cottage cheese provides moisture and some fat, while lemon juice adds the acidity necessary for leavening. When blended smooth, it can approximate sour cream’s consistency.

Use a high-powered blender to achieve a smooth texture and avoid graininess. Adjust lemon juice to taste to maintain the doughnut’s characteristic tang.

Doughnuts may be slightly denser and have a subtle curdled texture if blending is insufficient, but flavor and moisture remain close to the original.

Vegan Sour Cream Substitutes for Doughnuts

Full Vegan guide →
Silken Tofu + Lemon Juice
Ratio: 3/4 cup silken tofu blended + 2 tbsp lemon juice per 1 cup sour cream

A good vegan substitute that mimics texture and acidity but may slightly alter flavor and crumb structure.

Gluten-Free Sour Cream Substitutes for Doughnuts

Full Gluten-Free guide →
Greek Yogurt
Ratio: 1:1 (1 cup Greek yogurt per 1 cup sour cream)

Use full-fat Greek yogurt for best texture; it maintains moisture and tanginess similar to sour cream.

Buttermilk
Ratio: 3/4 cup buttermilk + 1/4 cup melted butter per 1 cup sour cream

Combining buttermilk with butter replicates sour cream’s moisture and fat content, preserving doughnut texture and flavor.

Crème Fraîche
Ratio: 1:1 (1 cup crème fraîche per 1 cup sour cream)

Crème fraîche is richer and less tangy, so doughnuts may be creamier but with a milder flavor.

Silken Tofu + Lemon Juice
Ratio: 3/4 cup silken tofu blended + 2 tbsp lemon juice per 1 cup sour cream

A good vegan substitute that mimics texture and acidity but may slightly alter flavor and crumb structure.

Cottage Cheese (Blended) + Lemon Juice
Ratio: 3/4 cup blended cottage cheese + 2 tbsp lemon juice per 1 cup sour cream

Blended cottage cheese adds protein and moisture but can introduce a grainier texture if not processed well.

Dairy-Free Sour Cream Substitutes for Doughnuts

Full Dairy-Free guide →
Silken Tofu + Lemon Juice
Ratio: 3/4 cup silken tofu blended + 2 tbsp lemon juice per 1 cup sour cream

A good vegan substitute that mimics texture and acidity but may slightly alter flavor and crumb structure.

❌ What NOT to Use as a Sour Cream Substitute in Doughnuts

Mayonnaise

Mayonnaise lacks the acidity of sour cream, which is crucial for activating baking soda in doughnuts. Its strong flavor can also overpower the delicate doughnut taste and result in an oily texture.

Butter

Butter does not provide the necessary moisture or acidity that sour cream contributes, leading to denser doughnuts with less tender crumb and reduced rise.

Heavy Cream

Heavy cream is too thin and lacks acidity, so it fails to provide the moisture and tang needed for proper doughnut texture and flavor development.

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