Roaster Profile

Roaster Overview
Username
cornerstonecoffee
Joined
Dec 24, 2025
Roasts
7 (7 public)
Average Rating
5.0 stars
Identity
Top Origin
Indonesia
Top Roast Level
Full City (Medium)
Count
7
Style
Development-forward
Consistency
Experimental
Milestone Averages
Charge
229.0 °C
Dry End
148.9 °C
7:03
1C
197.8 °C
11:02
Drop
223.4 °C
13:58
Average Phase Breakdown
Dry
7:03 50.4%
Maillard
3:59 28.6%
Development
2:56 21.0%
Batch & Yield
Avg Batch
2,722 g
Avg Yield
84.4%
Totals
Green
19.1 kg
Roasted
16.1 kg
Roast Time
1h 37m
Roasting Trends
Origin Distribution (Top 10)
Roast Level Distribution
Phase Trend Over Time
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Latest Roasts

RatingTitleRoast LevelBean OriginRoaster TypeRoastedWeightDev %
5
PERU San Ignacio SHB MCM G1
Full City (Medium)PeruBC Roaster01/23/20266.0 lb17.9%
—
KENYA 2 dark
Vienna/French (Dark)KenyaBC Roaster01/22/20266.0 lb26.9%
5
SUMATRA Organic
Full City (Medium)IndonesiaBC Roaster01/22/20266.0 lb20.5%
5
COLOMBIA decaf (so good)
Full City (Medium)ColombiaBC Roaster01/22/20266.0 lb20.2%
5
COSTA RICA Super Sweet
Full City (Medium)Costa RicaBC Roaster01/22/20266.0 lb19.8%
—
SUMATRA Organic
Full City (Medium)IndonesiaBC Roaster12/22/20256.0 lb21.2%
—
HONDURAS Santa Rosa HG EP
Full City (Medium)HondurasBC Roaster12/22/20256.0 lb20.2%