Butter: Complete Baking Guide
Rich flavor, flaky layers, and golden color
What Butter Does in Baking
Butter is about 80% fat, 18% water, and 2% milk solids. In baking, it adds rich flavor, creates tender crumbs by coating flour proteins, produces flaky pastry layers through steam from its water content, and when creamed with sugar, incorporates air for lift. Browning butter adds a deep, nutty complexity to cookies and cakes.
Key Properties
- ▸Unsalted is preferred for baking (control salt levels yourself)
- ▸Cold butter = flaky pastry; room temp = tender, airy cakes
- ▸Brown butter develops nutty, caramel notes (noisette)
- ▸European butter has higher fat content (~82–84%) for richer flavor
- ▸1 cup = 227g | 1 tbsp = 14g
Quick Measurement Reference
| Cups | Grams |
|---|---|
| ¼ cup | 56.8g |
| ½ cup | 113.5g |
| 1 cup | 227g |
| 2 cups | 454g |
Expert Baking Tips
- 1Always use unsalted butter in baking so you control the salt level precisely.
- 2For flaky pie crusts and croissants, keep butter very cold — work fast and chill between steps.
- 3Brown butter before adding to cookie dough for an incredible nutty depth of flavor.
- 4Room temperature butter should be soft enough to dent with a finger but not greasy or melting.
⚠️ Common Mistakes to Avoid
- ✗Using melted butter when creamed butter is called for — you lose the air incorporation and get a dense result.
- ✗Using salted butter without reducing the recipe's salt — overbaked goods can taste oddly salty.
- ✗Leaving butter out too long in warm weather — over-soft butter doesn't cream properly.
Out of Butter?
Find the best substitutes with exact ratios for any recipe.
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