RoastFeb 1, 2026macOS

Tarrazu 02-01-26

Tarrazu·Costa Rica·Washed

Duration11:07

Drop Temp

397°FLight

First Crack378°F

Batch

454g→400g

11.8% yield loss

This Costa Rica Washed was taken to a light roast — 11:07 total, first crack at 378°F, 87% of total (stalled).

Development at 13.3% of total (bright-leaning) — brightness-forward, less body.

Aggressive RoR of 19.1°/min at first crack, with 52% Maillard (balanced Maillard).

Roast Curve

11:07 total

Roast curve data, Costa Rica Washed. 65 data points, sampled every 10 seconds.
Time (mm:ss)	Bean temperature (°F)	Rate of rise (°F/min)
0:05	352	-454.1
0:16	273	-557.5
0:25	231	-419.6
0:36	210	-274.2
0:45	202	-146.9
0:54	200	-65.6
1:05	202	-17.0
1:15	205	6.0
1:25	209	18.5
1:36	215	26.0
1:47	220	28.7
1:59	225	28.1
2:11	230	26.8
2:22	236	26.5
2:33	240	27.4
2:46	245	25.1
2:58	250	23.9
3:08	254	24.1
3:18	258	23.1
3:30	263	23.4
3:40	266	23.5
3:49	269	21.7
4:02	274	20.4
4:16	279	21.3
4:27	282	20.2
4:36	286	19.6
4:46	289	20.3
4:55	292	20.5
5:05	294	19.3
5:14	297	18.4
5:23	301	18.4
5:33	304	20.1
5:43	307	20.2
5:54	311	19.5
6:04	314	19.8
6:14	317	19.0
6:24	321	19.0
6:34	324	20.5
6:44	327	20.5
6:54	330	19.4
7:03	333	18.5
7:14	336	16.9
7:24	339	17.3
7:34	342	18.7
7:43	345	19.0
7:55	348	16.9
8:06	351	17.1
8:16	354	18.2
8:27	357	16.8
8:36	361	18.1
8:46	364	19.5
8:58	367	18.0
9:08	370	17.5
9:18	373	17.8
9:29	376	18.3
9:41	380	19.2
9:52	383	18.4
10:02	386	16.2
10:11	388	14.0
10:21	390	14.5
10:30	392	15.4
10:40	395	14.6
10:51	397	12.4
11:00	398	11.0
11:07	398	10.7

Recipe StepsSuggested

23 steps

Drying0:53· 8%

heat held at 45%, fan held at 10%, drum held at 40%

CHARGE @ 399°

Heat 45%Fan 10%Drum 40%

Maillard8:45· 79%

heat 50% → 70%, fan 15% → 90%

1–5

Heat 50%→70%

5 steps

1:2850%·2:2755%·3:2760%·4:3065%·4:4870%

6–21

Fan 15%→90%

16 steps

5:2715%·5:3320%·5:4525%·5:5830%·6:1235%·6:3240%·6:3745%·7:2650%·7:3355%·7:4060%·8:1365%·8:1870%·8:3775%·8:4580%·9:2085%·9:2590%

Development1:29· 13%

fan held at 95%

FC START @ 378°

Fan 95%

Roast Analysis

DTRbright-leaning

13.3%

brightness-forward, less body

FC Timingstalled

86.7%

baked risk; rebuild heat earlier

RoR at FCaggressive

19.1°

high heat at FC; scorch risk

Phase Balance

27%Dry52%Maillard13%Dev

FC at 9:38Total 11:07

Community benchmarks

1 Costa Rica Washed roast

Community data building — 1 published Costa Rica Washed roast so far.

Benchmarks appear once the sample reaches 10.

See all Costa Rica Washed roasts