Breville Fast Slow Pro Pressure Cooker Review (2026)

Why you should trust this review

I bought this Breville Fast Slow Pro at retail and Breville did not provide it. This cooker costs roughly two and a half times an Instant Pot Duo, and I wanted to know precisely what that premium buys, not in marketing language but in measurable cooking outcomes. The adjustable pressure setting is the headline claim to differentiation, so I designed my tests specifically to evaluate whether it changes results in practice or just adds a number to the spec sheet.

To keep the comparison honest I ran the Breville alongside the Instant Pot Duo and Duo Plus throughout the review period, cooking identical ingredients in parallel wherever the function sets overlapped. I used a temperature probe, a calibrated external pressure gauge, and consistent recipes so the conclusions here rest on logged data and side-by-side cooks rather than impressions. When I say the Breville holds slow-cook temperature more tightly, it is because I measured both machines on the same setting.

How we evaluated

Pressure cooking I tested at multiple psi settings: chicken broth at 12 psi, 8 psi, and 4 psi across three runs each, comparing flavor, clarity, and cook time. Slow-cooker accuracy I logged with a temperature probe at 30-minute intervals across full 6-hour runs on both the low setting at a 195F target and the high setting at a 212F target. I cooked salmon at 3 psi for 3 minutes, a recipe the Instant Pot cannot execute safely at that pressure, against steaming in the Instant Pot.

Safety I confirmed by checking that the backup pressure relief triggered at its rated threshold, and I verified the real-time temperature and pressure display against a calibrated external gauge. I also ran pot-in-pot cooking, using a 7-inch insert for rice while lamb shanks braised in the main pot, across four sessions, and tested the auto keep-warm and the sealing ring for odor absorption and deformation over the full review.

Pressure cooking and the adjustable psi range

Pressure cooking results were excellent across every psi level. Chicken broth at the maximum 12 psi came to pressure in 11 minutes and finished its 25-minute cycle cleanly, with total time through natural release at 57 minutes. That is slightly slower to pressure than the Instant Pot Duo, which I attribute to a more conservative pressure build rate, and broth flavor and clarity came out comparable in blind evaluation. At full pressure, on its own, the Breville does not beat a good Instant Pot.

The meaningful difference showed at lower pressures, which is the entire reason to buy this cooker. Salmon fillets cooked at 3 psi for 3 minutes came out clean and flaky with no rubberiness, a result I simply could not replicate in the Instant Pot without switching to steam mode and losing precise time control. Eggs cooked at 5 psi for 6 minutes came out with set whites and barely-liquid yolks, a texture bracket that is genuinely difficult to nail on a binary high/low system. The adjustable pressure from 2 to 12 psi in single-psi increments is not a gimmick; it unlocks delicate proteins and grains that blow out at high pressure, and no other electric cooker I tested offers it.

Slow cooking: the strongest category

Slow cooking is where the Breville pulled clearly ahead. On the low setting at a 195F target, temperature hold accuracy averaged plus or minus 1.8F across the full 6-hour run, tighter than any other cooker in my comparison. The Instant Pot Duo averaged plus or minus 5F on the same low setting. For recipes that are genuinely sensitive to temperature, overnight bone broth or confit-style preparations, that difference is the difference between a controlled cook and a fluctuating one.

That precision is not academic. A slow cooker that swings five degrees can push a delicate braise from gentle to a low boil and back, which changes texture over a long cook. The Breville’s tight hold means what you set is what the food actually experiences for the whole six hours. If you do any precision slow cooking at all, this is the category where the premium most obviously earns itself, and it is the one I would point a serious cook toward first.

The LCD, build quality, and safety

The LCD that displays real-time pressure and temperature simultaneously is a genuinely useful feature, not cosmetic. Watching pressure build and knowing the instant you hit target changes how you manage a cook cycle; you stop guessing and start timing from a real reading. It is the best display in this class and the kind of feedback that makes the adjustable pressure controls actually usable rather than theoretical.

Build quality matches the price. The die-cast aluminum housing feels substantially more solid than the plastic bodies of every Instant Pot model, and the lid latches with a mechanical solidity that suggests a much longer lifespan. On safety, I confirmed the backup pressure relief triggered at its rated threshold, and the release valve action was smooth and consistent throughout. The sealing ring on my unit maintained a clean seal through all test cycles with no deformation and, importantly, no odor absorption, which is a common annoyance on cheaper rings. The one physical cost of all that metal is weight: at 15.4 pounds it is heavier than an Instant Pot Duo, and moving it around the counter is a small workout.

Who should buy the Breville Fast Slow Pro?

Buy it if you will actually use adjustable pressure, meaning you cook fish, eggs, or delicate grains under pressure where a single high/low toggle overcooks them. Buy it if you do precision slow cooking and care about a tight temperature hold, or if you simply want the best-built electric cooker on the market and the live LCD feedback that comes with it.

Skip it if your pressure cooking is primarily beans, broth, and braises at full pressure, because the Instant Pot Duo Plus does those for considerably less with no meaningful quality gap on those specific tasks. Skip it too if you want the simplest possible path to dinner, since the controls reward engagement and the weight makes it less convenient to move and store than a lighter plastic cooker.

The verdict

After two months of parallel testing, the Fast Slow Pro is the most precisely engineered electric pressure cooker I have used, and it earns its premium only for the right cook. The adjustable 2-to-12-psi range genuinely unlocks delicate proteins and grains a binary cooker cannot handle, the slow-cook temperature hold beat everything I compared, and the die-cast build and live LCD feel a class above the plastic competition. If you want manual control and precision, it is worth every bit of the premium. If you only cook at full pressure, the Instant Pot does that job for much less.