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Well, I have good news for you! No more waiting, praying, and using a microwave. Learning how to soften butter quickly comes down to a warm glass and about 10 minutes. It’s the trick I use every time I forget to leave the butter out. Whether I’m making buttermilk biscuits or a batch of cookies for company.
Below I walk you through my favorite method step by step, share the finger press cue that tells you butter is perfectly soft, and answer the timing questions everyone asks. If you want to know where butter comes from in the first place, my homemade butter guide is a lovely place to start. Keep scrolling for the full how-to.
The one butter cue every good baker knows. Grab my free Butter Basics guide and stop
guessing whether your butter is ready.
What You Will Need
- One stick of butter, salted or unsalted
- A tall drinking glass or glass jar, tall enough to cover the stick standing up
- Very hot water
- A small plate
How to Soften Butter with a Hot Glass
- Fill a tall glass with very hot water and let it sit for a minute or two so the glass itself heats through.
- Stand your stick of butter upright on a small plate.
- Pour the water out. The glass should be hot to the touch but empty.
- Turn the hot glass upside down over the butter, sealing it against the plate like a little dome.
- Wait 10- 15 minutes. The trapped warmth softens the butter evenly, with no risk of melting.
- Lift the glass and press your finger into the top. When it gives easily but still holds its shape, it is ready.
Tips for Success
- The finger press is your doneness cue. Perfectly soft butter feels like clay. You can press an indent, it pushes back a little, and your finger should not sink all the way through.
- Aim for around 65 degrees if you are creaming butter with sugar.
- Warm the glass, not the butter. Direct heat is what turns soft butter into a greasy puddle.
Common Mistakes to Avoid
- Microwaving until it melts. A few seconds too long ruins the structure, and your cookies spread thin and greasy. If you must use the microwave, cube the butter and heat at 50 percent power in 10-second bursts.
- Softening more butter than the recipe calls for. Only warm what you need.
- Starting from frozen without adjusting. Frozen butter is better grated than glass-warmed.
Other Fast Ways to Soften Butter
- Cube it. Slice the stick into small cubes and spread them on a plate. Ready in about 15 minutes at room temperature.
- Grate it. For frozen or very cold butter, run it across the large holes of a box grater. The thin shreds soften in about 5 minutes.
- Roll it. Seal the stick in a bag or between parchment and roll or pound with a rolling pin. The friction warms it fast.
- Salted versus unsalted. Salted butter is a touch more forgiving left out. Unsalted softens the same way, just use it sooner.
How to Soften Butter FAQ
How long does butter need to soften?
At room temperature a whole stick takes about an hour. Cut into cubes it softens in about 15 minutes, and the hot glass method takes 10 to 15 minutes.
What is the best way to soften butter quickly?
The hot glass method is my favorite because it softens evenly with no risk of melting. Grating works best when your butter is frozen.
Can you soften butter with hot water?
You warm the glass with hot water, then pour the water out and cover the butter. Do not put the butter in the water, or it turns greasy and waterlogged.
How can you tell when butter is soft enough?
Press your finger in. It should feel like soft clay, giving an indent while still holding its shape, never greasy or melted.
How long can butter sit out?
The USDA says one to two days is safe for pasteurized butter kept covered and out of direct sunlight. Salted butter holds up a little longer than unsalted.
Is it bad to soften butter in the microwave?
Not if you are careful. Cube it, use 50 percent power, and stop while it still holds its shape. Melted butter cannot be uncreamed, so err on the side of underdone.
More Butter Basics
Homemade butter, you can make it in a jar in minutes.
Yes, you can freeze butter. Learn how to store and thaw it right.
Buttermilk biscuits. It’s the perfect place for softened butter.
Brown butter pound cake. The dessert you didn’t know you needed.
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