Slow Cooker and Instant Pot: Do They Actually Save Cooking Time?
The Instant Pot is marketed as a time-saving appliance. Technically, many recipes cook faster under pressure. But adding setup, preheat, depressurize, and clean time — the honest picture is more complicated.
The Active Time Distinction
There are two ways to measure cooking time:
- Active time: time you're actually doing something
- Wall-clock time: total elapsed time from start to eating
Slow cookers and Instant Pots both shift the balance — you're not standing over a stove for 45 minutes, but the food may take longer to be ready.
Slow Cooker Reality
- Recipes designed to cook 6–8 hours on low
- Active prep: 15–30 minutes in the morning
- Benefit: Food ready when you get home; no last-minute cooking; batch cooking simplifies multiple meals
The slow cooker doesn't save wall-clock time. It saves the hassle of cooking when you're tired — which is a real and significant quality-of-life benefit even if the clock doesn't change.
Instant Pot Reality
| Dish | Traditional | Instant Pot (wall clock) |
|---|---|---|
| Pot roast | 3.5 hrs | 90 min total (20 min pressure + rest) |
| Chicken soup | 2 hrs | 55 min total |
| Rice | 20 min (stovetop) | 25 min (pot + preheat + release) |
| Mac and cheese | 15 min | 20–25 min |
For long braises and stews: genuinely faster. For simple stovetop dishes: often slower.
What They Actually Save
- Mental load: Dump ingredients at 8am, eat at 6pm — no dinner decision fatigue
- Batch cooking: 2 hours on Sunday → 5 weekday meal bases → saves 4+ hrs of cooking during the week
- One-pot cleanup: 1 vessel vs 3–4 pans
The most honest framing: these appliances save active presence time and cognitive decisions about dinner, not necessarily clock minutes.
The Cost Case
| Appliance | Cost | Meals made/week if used well | Cost per meal contribution |
|---|---|---|---|
| Slow Cooker (Crock-Pot) | $30–$80 | 3–5 | Near zero amortized |
| Instant Pot Duo | $100 | 3–6 | Near zero amortized |
| Instant Pot Pro Plus | $200 | 4–7 | Near zero amortized |
These are low-cost appliances that earn back their price in months if used weekly.
The Verdict
| User type | Verdict |
|---|---|
| Works long hours, hates weeknight cooking | Clear Yes — slow cooker is a game changer |
| Batch cooks on weekends | Yes — Instant Pot excels at this |
| Makes stews, braises, soups | Yes — Instant Pot delivers genuine speed on these |
| Mostly quick weeknight cooking | Consider — Instant Pot may not be faster for your use cases |
| "It's been in the cabinet for 2 years" | Either start using it or free the counter space |
These appliances earn their keep through mental load reduction and batch cooking, not raw speed. If you're already cooking efficiently, the time savings are marginal. If you're tired at 6pm and eating takeout, a slow cooker is the fix.