Extra Umami
Investor Due Diligence Report
substackFood
Even more savory tidbits and morsels from Cara Harbstreet, registered dietitian behind Street Smart Nutrition and MSG's #1 fan.
1K
100 paid
N/A
Pricing
$5/mo
$50/yr annual option
$398
100 paid subs
$398/mo – $398/mo(±0%)
Unknown
0.0 posts/week
Score based on available components only.
| Component | Score | Weight |
|---|---|---|
| Newsletter | Subscribers | Weekly Growth | Price | Platform |
|---|---|---|---|---|
| A Curious Cook | 28K | N/A | $5/mo | substack |
| All Day Cake | 24K | N/A | $6/mo | substack |
| Freezer Cooking with Sarah Hart | 23K | N/A | Free | substack |
| Lena Mattar | 21K | N/A | $14.9/mo | substack |
| Month | Subscribers | Est. Revenue | Change |
|---|---|---|---|
| Mar 2026 | 1K | $397.5 | — |
Revenue tracking starts with your first month of data. More data points will appear as snapshots accumulate.
Platform Dependency
Hosted on substack subdomain
Key Person
Single-author publication — key-person dependency
Revenue Model
Active paid subscription tier
Subscriber threshold
1K subscribers — below the 3K category median (based on 570 newsletters)
Has paid tier
Active paid subscription offering
Peer monetization
100% of 237 similar-size peers in Food have paid tiers
Pricing position
$5/mo vs $5.63/mo category median (872 newsletters)
| Date | Monthly | Annual |
|---|---|---|
| Mar 2026 | $5 | $50 |
Disclaimer: This report is generated automatically based on publicly available data and proprietary estimation models. Estimated subscriber counts are derived from engagement patterns and should be verified through direct disclosure. Revenue estimates are based on known pricing and estimated paid subscriber counts. This report is for informational purposes only and should not be the sole basis for investment decisions.
| Paid Subscriber Ratio |
| 90/100 |
| 25% |
| La Gazette Fermentée |
| 18K |
| N/A |
| $5/mo |
| substack |