May 7, 2010

Review: Keurig MINI Plus Personal Single Serve Coffee Brewer

Review Single Serve Coffee


The Keurig Mini Plus Personal single serve coffee brewer has all the features of a larger Keurig brewer packed into a mini form. In 2008 we saw the launch of the Keurig Mini B30 (read our full review here), and we were impressed, but even with a mini brewer there were some features missing.


One feature missing was the ability to know exactly how much water you were using. There was one other complaint too - the brew temp seemed a bit cooler than we would like with at the brew head temp lower than the 190F range. Well, that's all been fixed with the Keurig Mini Plus Personal brewer, and the brewer look and feel is much improved as well.

Key Features of the Keurig MINI Plus Personal Single Serve Coffee Brewer

One thing that's different is the 3 brew sizes on the Keurig Mini Plus Personal single serve coffee brewer. The brewer achieves 3 sizes by showing you how much water you'll need to put in by 3 different water levels in the reservoir - 3, 6, and 10 ounces. For us, we love to know how much we're going to get, but the easiest way is to fill the coffee mug you want to use with the amount of water and go with it. Simple.

You see on the left hand size the 3 water level indicators.

The cord storage, improved stand, and the buttons all being on the front is also nice. The Keurig Mini Plus Personal single serve coffee brewer is very polished looking, and when you open the brew head the water lid on the reservoir comes up a touch for easy access. The brew temperature of this brewer is much improved (we'll talk more later), but at the brew head we consistently got readings of 190F+. Nice work Keurig.

Brewing Coffee with the Keurig MINI Plus Personal Brewer

One thing to note is how eco-friendly this Keurig is compared to other larger models that keep a heated reservoir or water on demand. The Keurig Mini Plus Personal single serve coffee brewer brews and heats each cup of single serve coffee after you pour in the water, insert a K-Cup, and then hit the brew button. The 2 minute wait time also means the water goes in and comes out - there is no water left in the reservoir and the heating unit turns off.

The Keurig Mini Plus is also very compact, and the footprint on the counter leaves room for other eco-choices like a toaster oven or the like that also uses less space and power to make your morning breakfast.

Brew head uses KCups and also the reusable My K-Cup filter.

We tried a variety of K-Cups including Coffee People's Jet Fuel, various Green Mountain blends including their seasonal blend Island Coconut, and all the coffee produced was piping hot and excellent. The Keurig Mini Plus brewer has a brew temp of 192, and we saw at the brew head a 190-191F temp - so it's working perfectly to the range we'd expect - maybe a 1-2 degree heat loss running through the K-Cup brewing process.

Piping hot cup of Jet Fuel coffee.

Final Thoughts on the Keurig MINI Plus Personal Coffee Brewer


  • Small footprint
  • Cord storage
  • Multiple brew sizes
  • Price is only $99
  • Portable (take it over to your friends house and get great coffee)
  • Compatible with My K-Cup Coffee Filter - use your own coffee
  • Eco friendly shut off


  • Have to get water and fill for each use
  • 2 minute brew time is longer than other single serve coffee brewers

We have to say excellent work Keurig. The Keurig Mini Plus Personal single serve coffee brewer has most the features of the larger Keurig Elite B40 Brewer, Keurig B50, Keurig Special Edition Ultra Elite B60, Keurig Platinum B70 Brewer, Breville BKC600XL Gourmet Single Cup Brewer , but never feels as if it comes up short. We love the small footprint, and even at 2 minutes the brew time seems worth the eco-friendliness of not having the brewer on all the time. This is a second generation brewer from an already impressive Mini B30 design, and we hope to see even more generations of this single serve coffee brewer.

At Keurig and Keurig Mini Plus Personal single serve coffee brewer

Thanks again to Keurig for sending us the Keurig Mini Plus Personal single serve coffee brewer to review.

Read More in: Keurig & K-Cups | Keurig Reviews | Reviews | Single Serve Coffee Machines

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Posted by Jay Brewer at May 7, 2010 9:23 AM
Recent Comments

Recently I started looking at single-brew coffee makers. I was skeptical at first, but tried a cup in my doctor's waiting room (a B70) and was impressed.

One week later I was searching for something for my daughter's wedding and after doing a LOT of research, ended up with the Keurig Mini Plus B31 from BB&B. I wanted something specifically for her where she could brew one cup in the morning as he's not a big coffee fan. Though many people have been having problems with the larger Keurig machines, reviews for the Mini are generally better.

I ended up getting one for myself and just brewed the first cup, using the Emile's extra Bold. As a home-roaster, I have to say that the quality of the cup (10oz.) was excellent. I prefer french press, but wanted something more convenient for a quick cup during the week before my commute. I wanted a smaller footprint on the countertop and don't mind pouring the water in for each cup or that there's a 2 minute cycle time, as I can brew while I feed my dog. I was thinking that I'd want to experiment with using the adapter for my own grind, but now think that may not be necessary.

Though Starbucks has recently released their Varismo, I simply cannot se spending $200 for their machine, plus the more expensive cost of their pods. If I want espresso, I have a nice pump-driven espresso machine.

All in all, I think the B31 Mini Plus is a great addition for a small 1 to 2 person household. Now to find deals on cups!

Posted by: Tony at October 22, 2012 3:17 PM

When I use the My K Cup filter to brew my own personal coffee, it spllaters all over the place and the coffee is not good( full of coffee grains). Might I be doing something wrong?? Any suggestions??

Posted by: Agnes Rodriguez at March 23, 2011 11:37 AM

I have this brewer. My old one went kaput! The problem I'm having is that no matter what I do I can't remove the cup holder in order to use the replacement My K-Cup filter. I realize the old one was snug and a bit difficult to remove at first but gradually got easier. I've tried everything I can do. Any ideas would be appreciated. Thanks!

Posted by: Kelly at November 28, 2010 2:20 PM

I was very excited to finally purchase a Keurig, but was very disappointed in the B30 after using it. I tried the My K cup and got nothing but coffee grounds in my cup. Not just a few...a lot! So I tried the pre-packaged k cups and out of 18 cups of coffee, I got 16 of them with coffee grounds. Ground varied from a little to almost all of the grounds in the cup. So not sure what is wrong. I ran water through first, cleaned the exit hole and everything else I could think of and read to do. Frustrated, so I am returning the machine. Not worth so much time and trouble constantly cleaning up coffee grounds and having to filter the coffee after it brewed!

Posted by: shannon at September 29, 2010 8:03 AM

I just unpacked my Mini Plus B31 today and I am sooooo disappointed. I should state that I already have the Mini B30 and it is exquisite in every way. My problem with the B31 is the SMELL and the TASTE of all my favourite coffees. Stale and cheap smelling and tasting. I don't know if anyone else has noticed this, but I am quite upset. I should state that I ran 4 cups of plain water through with no change to the cheap smell and taste of all my faves. What do I do?

Posted by: Renee at August 23, 2010 3:31 PM

Can a travel mug fit under this with the base removed?

Posted by: Joe at May 21, 2010 2:47 PM

It does not have the light sensor - great catch! You can use clear glass mugs with the new mini plus.

Posted by: Jay Brewer at May 7, 2010 11:37 PM

your picture shows a clear glass mug. does it not have the light sensor that the previous model had? can't use clear glass with the original mini.

Posted by: LIn at May 7, 2010 3:02 PM
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