Dark Matter Coffee

Dark Matter Coffee started in 2007 on Chicago's West Side, at a coffee bar rather than a production warehouse. The roastery still works out of Chicago. What leaves it now is almost entirely blended, 15 of the 16 active offerings, with a single Colombian lot standing as the only unblended coffee on the list.

Nothing in the active catalog is roasted light. Seven coffees land at medium and four at medium-dark. Five go dark. Acidity averages medium-low while body averages medium-high, and that pairing shows up in cup notes that lean on nuts and sugar instead of fruit acid.

The house bag runs 15.7 ounces and costs $25 to $27, with the wider active range reaching $55 at the top for larger formats. One coffee is decaf. In a catalog of this size, running 15 blends against one single origin is the whole shape of the business, since it means the flavor a customer buys is built in the roastery rather than sourced lot by lot.

Single Origins

Blends

Roast Profile & Flavor Range

The roast histogram has no light end at all. Seven of the 16 active coffees are medium, four are medium-dark, and five are dark, which puts nine of them at or past the medium-dark line. Acidity averages medium-low and body medium-high, the reading you would expect from beans taken further into the roast.

Origin detail is thin, because there is very little to report. There is one single origin, a Colombian lot processed by a method outside the usual washed or natural categories, and everything else on the active list is blended. Blends account for 94 percent of the catalog. That leaves the buying decision here resting on roast depth and flavor direction rather than on which farm or which harvest a bag came from. Prices at the 15.7 ounce house size run $25 to $27. The full active range stretches from $22 to $55.

What Dark Matter Coffee Coffees Tend to Taste Like

Nuts and sugar dominate. Almond is the most common note in the catalog, listed on four coffees, and praline and molasses each appear three times, which together describe something closer to a candy counter than an orchard. Chocolate arrives in several registers, plain chocolate on three coffees, dark chocolate on three more, and cocoa and baker's chocolate on two apiece.

Fruit is present but recessed. Cherry shows up three times and dried fruit twice, always next to a heavier sweet note rather than on its own. Vanilla and toasted marshmallow round the edges. With acidity running medium-low across the catalog none of this reads as bright, and the overall impression is a dense roasty sweetness, the kind that survives a splash of milk and holds its shape in cold brew.

Why Buy Dark Matter Coffee

• Chicago since 2007: The roastery started at a West Side coffee bar and still roasts in the city.

• No light roasts at all: Nine of the 16 active coffees sit at medium-dark or darker, and the lightest thing on the list is a medium.

• A blend house, plainly: Fifteen of the 16 active coffees are blends. The one Colombian single origin is the exception rather than the pattern.

• Sweet and low in acid: Almond leads the cup notes with praline and molasses close behind, and the acidity stays low enough that the sweetness reads like dessert rather than like fruit.

Is Dark Matter Coffee Right for You?

Dark roast drinkers are the obvious audience. Five coffees go dark and four more sit at medium-dark, and the notes across that group point to almond and molasses rather than to acidity, so anyone who takes coffee with milk or pulls shots at home has plenty to work with here.

Skip it if you want origin transparency. There is exactly one single origin among 16 active coffees, so a drinker who shops by farm or by processing method has almost nothing to read. The same goes for anyone chasing floral or citric light roasts. Nothing here is roasted light. One decaf is active.

Frequently Asked Questions