SpreadTHAT! Heated Butter Knife Review – Goodbye, Rock-Hard Butter
We’ve all been there: you take out a fresh slice of bread, reach for the butter, and discover it’s as hard as a brick from being in the fridge. Instead of tearing your bread apart in frustration, the SpreadTHAT! Heated Butter Knife promises a simple solution — gently warming as you spread, softening cold butter instantly. But is this $20–$30 gadget a clever must-have or just another kitchen drawer novelty? Let’s find out.
First Impressions
Out of the box, the SpreadTHAT! looks like a sleek, modern kitchen tool. No plugs. No batteries. Just a solid, slightly futuristic-looking knife with a slim, curved handle and a broad spreading edge.
The first surprise? It’s not electric. There’s no power switch, charging port, or heating element. Instead, it uses thermodynamics — the metal conducts heat from your hand to the blade, which then warms the butter as you spread. It’s basically a heat-transfer trick, wrapped in smart design.
Build Quality & Design
The SpreadTHAT! is made from highly conductive aluminum alloy with a food-safe titanium coating. It feels substantial but not heavy (about 1.7 oz), and the matte finish resists fingerprints and stains. The blade is blunt, so it’s safe for kids to use without risk of cutting.
Design highlights:
- No power required – heat comes from your hand.
- Ergonomic handle – comfortable for extended use (yes, I tested this during a “toast for dinner” night).
- Rounded tip – perfect for digging into butter tubs or gliding across a stick.
The minimalism here is appealing — this is the kind of gadget that can live in your cutlery drawer without fuss.
How It Works
This is where the SpreadTHAT! gets geeky. The alloy conducts heat roughly 20 times faster than stainless steel. As you hold it, your hand’s warmth travels through the handle into the blade. In 5–10 seconds, the spreading edge feels warm — not hot — and that’s enough to soften cold butter on contact.
It’s not melting butter into liquid; it’s just making it pliable enough to spread evenly. That’s the magic.
In Practice – Does It Work?
Yes… mostly.
On a stick of butter straight from the fridge (around 40°F / 4°C), the knife glides through surprisingly easily after a brief warm-up in your hand. Instead of scraping chunks, it lifts smooth ribbons you can spread without tearing bread.
It also works on:
- Cream cheese – less drag, smoother spread.
- Nut butters – helps with the dreaded first-scoop stiffness.
- Chocolate spread – especially if stored in a cooler pantry.
However, there are limits:
- If your butter is frozen solid, this won’t perform miracles.
- It works best if you keep it in contact with your hand for a few seconds before spreading.
- You won’t notice much benefit if your butter is already soft.
Speed & Efficiency
Compared to a regular butter knife:
- Cold butter – SpreadTHAT! wins by a mile.
- Room-temp butter – No difference, other than the cool factor.
- Frozen butter – Still a struggle, but slightly easier.
It’s not instant magic — you’re not going from rock-hard to whipped spread in one swipe. But the improvement in ease is noticeable, especially on fresh bread, bagels, or croissants.
Cleaning & Maintenance
Cleaning is a non-issue. The knife is dishwasher-safe, but hand-washing is quick and easy thanks to the non-stick coating. There are no moving parts, so durability should be excellent.
Pros & Cons
Pros:
- No electricity, no batteries — works anywhere.
- Sleek, durable design.
- Actually improves spreading on cold butter.
- Works on cream cheese, nut butters, and chocolate spread.
- Safe for kids.
Cons:
- Doesn’t “melt” butter instantly — still requires a short warm-up.
- No big advantage on already-soft spreads.
- More expensive than a basic butter knife.
Price & Value
The SpreadTHAT! usually sells for $20–$30 depending on color and retailer. That’s undeniably pricey for a single-purpose utensil, especially when you can buy a pack of six stainless butter knives for under $10.
But for people who eat butter daily — or who love the ritual of fresh bread with cold butter — it’s a nice little luxury.
Everyday Use Scenarios
Here’s where it shines:
- Breakfast with family – No more kids mangling toast.
- Camping – Works without power, so perfect for outdoor meals.
- Holiday dinners – Pass around the bread and butter without guests struggling.
- Bagel shops or bakeries – Could be a conversation-starter and time-saver.
Alternatives
If you want other ways to deal with cold butter:
- Butter bell – Keeps butter soft at room temp without refrigeration.
- Heated electric knife – Faster but needs charging or batteries.
- Pre-sliced butter pats – Portion-controlled and easier to spread.
Final Verdict
The SpreadTHAT! Heated Butter Knife isn’t an essential kitchen tool — but it is a delightful one. It takes a small daily annoyance and makes it a little easier, without adding complexity or clutter to your kitchen.
If you love good bread and real butter, it’s the kind of gadget you’ll actually use. If you’re a margarine person or rarely eat bread, you can safely skip it.
Rating: ⭐⭐⭐⭐☆ (4/5)
(Loses a star for price — but gains cool points for science.)
Where to Buy
You can find the SpreadTHAT! on:
- Amazon
- Williams Sonoma
- Uncommon Goods
- Direct from That! Inventions
FAQs
Q: Does it really get warm?
Yes, but not hot. It’s safe to touch and relies on your body heat.
Q: Can kids use it?
Absolutely — the blade is blunt and safe.
Q: Will it melt butter instantly?
No, but it softens it enough to spread easily.
Q: Is it worth $25?
If you eat cold butter regularly, yes. If not, probably not.