Verdict
Head-to-head · Best Pressure Cookers

All-American 921 Cast Aluminum Pressure Canner (21.5-Quart) vs Breville Fast Slow Pro BPR700BSS 6-Quart Multi-Cooker

Which is the better buy? Side-by-side on rating, price, strengths, and watch-outs — with the published ratings we averaged to get there.

The short answer

All-American 921 Cast Aluminum Pressure Canner (21.5-Quart) comes out ahead by a narrow margin (4.7 vs 4.6). The gap is mostly about Large-batch home canners and homesteaders processing pints and quarts at season's end — particularly buyers who want a lifetime-purchase tool with no gasket maintenance and verifiable pressure control across 5, 10, and 15 psi. — read the strengths below before deciding.

All-American 921 Cast Aluminum Pressure Canner (21.5-Quart)
Higher ratedRanked #2 in Best Pressure Cookers
All-American 921 Cast Aluminum Pressure Canner (21.5-Quart)
$500

The 921 is the canning workhorse American homesteaders treat as a generational tool. Its patented metal-to-metal seal eliminates the single most common failure point on pressure canners — the rubber gasket — and the heavy cast aluminum body with triple bayonet clamps maintains pressure with virtually no siphoning during long quart-jar processing. At 21.5 quarts it hits the practical sweet spot for batch canning (19 pints or 7 quarts), and All-American's lifetime warranty plus 30+ year owner reports back the heirloom-purchase framing.

Strengths
  • Patented metal-to-metal sealing system — no rubber gasket to dry out, replace, or fail in service
  • Built in Wisconsin from heavy cast aluminum with a lifetime warranty and 30+ year owner reports
  • 21.5-quart capacity processes 19 pint jars or 7 quart jars in a single load — the canning standard
Watch-outs
  • Heavy — 17.75 lb empty, well over 40 lb fully loaded with jars and water
  • Premium price puts it well above gasket-sealed canners in the same capacity class
  • Lid can be hard to remove after a long process without occasional oiling of the sealing surface
Breville Fast Slow Pro BPR700BSS 6-Quart Multi-Cooker
Ranked #4 in Best Pressure Cookers
Breville Fast Slow Pro BPR700BSS 6-Quart Multi-Cooker
$330

The Fast Slow Pro is the high-end electric multi-cooker for buyers who want pressure-cooker precision without giving up programmable convenience. Dual sensors hold target pressure within tight tolerance, the eight selectable pressure levels and three auto-release modes give recipe-grade control no budget multi-cooker offers, and the brushed stainless build feels appropriate for the price. TechGearLab ranked it their pick for cooking performance and meat preparation; Consumer Reports tested it against multi-cooker peers across pressure, slow, rice, steam, and saute modes.

Strengths
  • Dual top-and-bottom sensors monitor temperature and pressure for tighter operating control than single-sensor multi-cookers
  • 11 pressure cook settings and 8 selectable pressure levels (1.5-12 psi) for fine-grained recipe control
  • Hands-free auto steam release with Quick, Pulse, and Natural modes — no need to manually toggle a valve
Watch-outs
  • Premium price — roughly triple the cost of a mainstream electric multi-cooker like the Cosori 6-Qt
  • Lid spills condensation when opened, a recurring complaint in long-term ownership reviews
  • 1-year warranty is short for a premium-priced appliance

How they stack up

All-American 921 Cast Aluminum Pressure Canner (21.5-Quart)

The 921 is the heirloom large-batch workhorse — the right pick when canning capacity and gasket-free reliability matter more than the lower cost of a gasket-sealed alternative. Compared to the Presto 01362 6-Quart Stainless Steel Pressure Cooker, the 921 is built for a fundamentally different job — that Presto is a 6-quart everyday stovetop cooker, the All-American is a 21.5-quart batch canner. It is also the wrong tool for general weeknight cooking compared to the Kuhn Rikon Duromatic Inox 5L Side-Handle Pressure Cooker, the Fissler Vitavit Premium 8.5 Quart Pressure Cooker, or any electric multi-cooker like the Breville Fast Slow Pro BPR700BSS — those are cookers built for everyday meals; this is a canner first.

Breville Fast Slow Pro BPR700BSS 6-Quart Multi-Cooker

Premium counterpart to the Cosori 6-Qt Electric Pressure Cooker — both are 6-quart electric multi-cookers but the Breville costs roughly three times as much. The Breville earns the premium with dual sensors, eight selectable pressure levels, hands-free auto steam release, and brushed stainless build. Versus the stovetop premium tier — the Kuhn Rikon Duromatic Inox 5L Side-Handle Pressure Cooker — the Breville trades heirloom durability for programmable convenience, and trades induction independence for plug-in countertop simplicity. For serious canning the All-American 921 Cast Aluminum Pressure Canner is the architecturally correct choice; the Breville is a cooker first.

Specs side-by-side

SpecAll-American 921 Cast Aluminum Pressure Canner (21.5-Quart)Breville Fast Slow Pro BPR700BSS 6-Quart Multi-Cooker
Capacity21.5 quarts6 quarts
TypeStovetop pressure canner / cookerElectric multi-cooker (pressure / slow / steam / sear)
Pressure Settings5, 10, 15 psi (selectable weights + dial gauge)
MaterialHeavy cast aluminumBrushed stainless body, ceramic-coated inner bowl (PFOA / PTFE free)
Seal TypePatented metal-to-metal (no gasket)
Jar Capacity19 pints or 7 quarts per load
Weight17.75 lb12 lb
Dimensions15.375 in H x 12.25 in dia12 W x 12 D x 13 H in
Country of ManufactureUSA (Hillsville, Wisconsin)
WarrantyLifetime1-year limited
Pressure Levels8 selectable (1.5-12 psi)
Programs11 pressure cook + slow cook + steam + sear/sauté + keep warm
Steam ReleaseHands-free auto (Quick, Pulse, Natural)
SensorsDual top-and-bottom temperature + pressure
← See the full ranking of best pressure cookers