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Best Whole Milk Substitute in Doughnuts

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

Quick Answer

The best substitute for Whole Milk in Doughnuts is Buttermilk because it closely mimics the acidity and fat content of whole milk, which helps achieve the desired tender crumb and proper rise.

Top 5 Whole Milk Substitutes for Doughnuts

Substitute Ratio
โญ Buttermilk (Best) 1 cup buttermilk per 1 cup whole milk
Evaporated Milk 1 cup evaporated milk diluted with 1/4 cup water per 1 cup whole milk
Soy Milk (unsweetened, full-fat) 1 cup soy milk per 1 cup whole milk
Oat Milk (barista style, full-fat) 1 cup oat milk per 1 cup whole milk
Coconut Milk (canned, full-fat) 1/2 cup canned coconut milk + 1/2 cup water per 1 cup whole milk

Detailed Guide: Each Whole Milk Substitute in Doughnuts

Buttermilk (Best Option)

1 cup buttermilk per 1 cup whole milk
Gluten-Free Nut-Free
Quick tip: Adds a slight tang and tenderizes the dough, enhancing rise and crumb softness.

Buttermilk contains lactic acid which reacts with baking soda or baking powder in doughnut recipes, promoting leavening and a tender crumb. Its fat content is close to that of whole milk, preserving moisture and richness.

When using buttermilk, reduce or eliminate additional acidic ingredients to maintain balance. Stir gently to avoid overworking the dough.

Doughnuts made with buttermilk tend to be softer, with a subtle tang that complements the sweetness, while maintaining a light texture similar to those made with whole milk.

Evaporated Milk

1 cup evaporated milk diluted with 1/4 cup water per 1 cup whole milk
Nut-Free
Quick tip: Provides similar fat and protein content, maintaining richness and texture.

Evaporated milk is concentrated milk with about 60% of its water removed, so diluting it restores the hydration level similar to whole milk. It contains milk fats and proteins essential for doughnut structure and flavor.

Ensure proper dilution to avoid overly thick batter. Mix well to achieve uniform consistency.

Doughnuts made with evaporated milk are rich and tender, with a slightly caramelized flavor note due to the milk's concentration process, closely resembling whole milk doughnuts.

Soy Milk (unsweetened, full-fat)

1 cup soy milk per 1 cup whole milk
Vegan Dairy-Free Nut-Free Gluten-Free
Quick tip: Offers similar protein content and creaminess but may impart a subtle bean-like flavor.

Soy milk contains proteins and fats that mimic the functional properties of dairy milk, supporting gluten development and moisture retention in doughnuts. Its emulsifying properties help with dough cohesion.

Choose unsweetened, full-fat versions to avoid altering sweetness and maintain richness. Be aware of potential flavor differences.

Doughnuts made with soy milk are slightly denser with a mild beany undertone, but still tender and moist, making it a good dairy-free alternative.

Oat Milk (barista style, full-fat)

1 cup oat milk per 1 cup whole milk
Vegan Dairy-Free Nut-Free
Quick tip: Adds mild sweetness and creaminess but can slightly increase dough stickiness.

Oat milk contains soluble fibers and moderate fat, which help retain moisture and provide a creamy texture similar to whole milk. Its natural sweetness can enhance flavor but may affect dough hydration.

Use barista-style oat milk for higher fat content and creaminess. Adjust flour slightly if dough feels too sticky.

Doughnuts made with oat milk are tender with a subtle sweetness and slightly softer crumb, though they may brown faster due to natural sugars.

Coconut Milk (canned, full-fat)

1/2 cup canned coconut milk + 1/2 cup water per 1 cup whole milk
Vegan Dairy-Free Nut-Free Gluten-Free
Quick tip: Provides fat and creaminess but imparts a noticeable coconut flavor and can alter dough texture.

Canned coconut milk is high in fat, which helps replicate the richness of whole milk. Diluting it with water balances hydration. However, its fat composition differs, affecting gluten development and dough elasticity.

Mix thoroughly to ensure even consistency. Expect some flavor and texture changes.

Doughnuts made with coconut milk are richer and moister but have a distinct coconut aroma and a slightly denser crumb, which may not suit all flavor profiles.

Vegan Whole Milk Substitutes for Doughnuts

Full Vegan guide โ†’
Soy Milk (unsweetened, full-fat)
Ratio: 1 cup soy milk per 1 cup whole milk

Offers similar protein content and creaminess but may impart a subtle bean-like flavor.

Oat Milk (barista style, full-fat)
Ratio: 1 cup oat milk per 1 cup whole milk

Adds mild sweetness and creaminess but can slightly increase dough stickiness.

Coconut Milk (canned, full-fat)
Ratio: 1/2 cup canned coconut milk + 1/2 cup water per 1 cup whole milk

Provides fat and creaminess but imparts a noticeable coconut flavor and can alter dough texture.

Gluten-Free Whole Milk Substitutes for Doughnuts

Full Gluten-Free guide โ†’
Buttermilk
Ratio: 1 cup buttermilk per 1 cup whole milk

Adds a slight tang and tenderizes the dough, enhancing rise and crumb softness.

Soy Milk (unsweetened, full-fat)
Ratio: 1 cup soy milk per 1 cup whole milk

Offers similar protein content and creaminess but may impart a subtle bean-like flavor.

Coconut Milk (canned, full-fat)
Ratio: 1/2 cup canned coconut milk + 1/2 cup water per 1 cup whole milk

Provides fat and creaminess but imparts a noticeable coconut flavor and can alter dough texture.

Dairy-Free Whole Milk Substitutes for Doughnuts

Full Dairy-Free guide โ†’
Soy Milk (unsweetened, full-fat)
Ratio: 1 cup soy milk per 1 cup whole milk

Offers similar protein content and creaminess but may impart a subtle bean-like flavor.

Oat Milk (barista style, full-fat)
Ratio: 1 cup oat milk per 1 cup whole milk

Adds mild sweetness and creaminess but can slightly increase dough stickiness.

Coconut Milk (canned, full-fat)
Ratio: 1/2 cup canned coconut milk + 1/2 cup water per 1 cup whole milk

Provides fat and creaminess but imparts a noticeable coconut flavor and can alter dough texture.

โŒ What NOT to Use as a Whole Milk Substitute in Doughnuts

Water

Water lacks fat and proteins, which are essential for the doughnut's texture and flavor development. Using water results in a dry, dense doughnut with poor browning and less richness.

Skim Milk

Skim milk has significantly less fat than whole milk, which negatively impacts the tenderness and mouthfeel of doughnuts. The resulting doughnuts tend to be less moist and have a less rich flavor.

Heavy Cream

Heavy cream contains too much fat and little water, which can make the dough overly rich and heavy, disrupting the dough's hydration balance and leading to greasy or dense doughnuts.

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