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Bolus 4 · Episode 1767

Chicken Pot Pie

Scott texts Jenny a link to a pot pie recipe and seven numbers — 1:10, sensitivity 50, target 100, a blood sugar of 130 with a rising arrow — and asks for the whole bolus, fat and protein included, out loud and in her head. Then he runs the same link through the prompt he's been building for two months and reads the two answers side by side.

Scott Benner and Jenny Smith, RD, CDCES, LD
Open the Bolus 4 estimator
Carb ratio1:10
Sensitivity50
Target100
Fat + protein100%

The seven numbers in Scott's text: carb ratio 1:10, sensitivity 50, target 100, the fat-protein factor left at default, current blood sugar 130, rising arrow, no insulin on board. Scott calls the default 50% on the recording, but every extended figure he reads back — Jenny's 3.5, the prompt's 3.25 on 3.26 fat-protein units, the strategy engine's 3.26 — is one unit per fat-protein unit at 1:10. That is a 100% factor, so this page runs at 100% to match the numbers on the tape. 2:20

01 · Bolus 4 · Episode 1767

Jenny, in her head

No nutrition label. No calculator. One link, seven numbers, and a Monday morning between Christmas and New Year's.

2:20
The setup2:20

A link, a numbered list, and “tell me how to bolus.”

Scott hit record before Jenny had any context. A few minutes earlier he'd texted her a pot pie recipe and a list: one, 10. Two, 50. Three, 100. Four, default. Five, current blood sugar 130. Six, rising arrow. Seven, no insulin on board. One serving. Whole bolus, fat and protein included, and he wasn't telling her what any of the numbers meant.

The recipe, as Scott read it4:18

Eight servings, a homemade top and bottom crust, and a busy website full of ads.

  1. One recipe of homemade pie doughSix tablespoons of cold unsalted butter and three-quarters of a cup of vegetable shortening, once Jenny clicked through — “It's high fat.”
  2. One pound of boneless skinless chicken breastA third of a cup of butter, half a cup of celery, a third of a cup of onion, a third of a cup of all-purpose flour.
  3. Salt, pepper, celery seed, garlic powder, a teaspoon of chicken bouillon pasteOne cup of milk. Eight ounces of frozen mixed vegetables — carrots, peas, green beans, corn.
  4. One egg, one tablespoon of milkThe wash. Jenny first spotted the tablespoon and missed the cup; Scott sent her back up the page.
Where Jenny starts: servings6:41
A pound of chicken is 16 ounces. Four servings of four. Cut into eight?
2 oz
“Really, you're only getting about, in a cooked portion, two ounces at best of the chicken.” Not a high-protein meal, in her read. The fat is the story — the crust, the butter, the milk.
Jenny's estimate, one-eighth of the pie8:51
35g carbs
Top crust 10 to 12, bottom crust the same — call it 24 — plus onion, celery, peas and corn, and the flour in the sauce. She adds 10 and lands on 35.
20g protein
“Maybe it's like 17 grams, but nice round numbers are a little easier.” Twenty, at the most.
30g fat
Slightly under 30 at first. Then the crust, the butter, whole milk and the egg: “let's call it 30 grams of fat.”
4–5 hextended
Her expectation for a Warsaw-style extension of the fat and protein. “I think it often goes a little bit longer.”
Takeaway10:32

The pre-bolus here is for the arrow, not the food.

Flat at 100, Jenny wouldn't pre-bolus a slow, fatty meal like this at all. But 130 and rising means a deficit of insulin already. A diagonal arrow is roughly 2 mg/dL a minute — do nothing for thirty minutes and you could be 60 points higher, sitting at 190 before the pie lands. So: pre-bolus, and wait for the arrow to stabilize.

Jenny's math, out loud14:11

Add the base units, layer a correction — the A and the L of Meal Bolt.

  1. 35 carbs ÷ 10 = 3.5 unitsThe base units, at a 1:10 ratio.
  2. (130 − 100) ÷ 50 = 0.6 unitsCurrent blood sugar minus target, divided by the correction factor. “An additional point six units of insulin is going to be needed on top of the three point five.”
  3. 4.1 units up front3.5 plus 0.6, before a single fat-protein unit.
  4. 350 calories of fat and protein = 3.5 units20 grams of protein is 80 calories, 30 grams of fat is 270. One fat-protein unit is 100 calories, treated like 10 grams of carb. At 1:10, 3.5 units — the same as the carbs — extended over four to five hours.
How Scott would go at it22:53

“There's a lot of fat in that.”

His honest version, in his words: a rising blood sugar, so cut the arrow off and get it coming down before you eat. Pre-bolus twelve, fifteen minutes. Extend it out more hours than you'd think, because this thing is going to hit again — maybe at ninety minutes, maybe again after that with all the gravy. The math Jenny just did, he says, he couldn't do with a gun to his head.

Jenny's estimate · 1:10 · sensitivity 50 · target 100 · blood sugar 13025:35
35carb20protein30fat
Up front
4.10u
3.5 carbs + 0.6 correction — “you get 4.1”
Then, over 5 hours
3.50u
3.5 fat-protein units
Theoretical requirement
7.60u
46% of it is not carbs

Scott writes it down at 25:35 — carbs 35, fat 30, protein 20, bolus 3.5, correction 0.6, up front 4.1, extended 3.5. Total on the tape: “four five six seven,” 7.6. The estimator's math on the same macros: 4.10 up front, 3.50 over five hours, 7.60 total — Jenny's head and the tool land on the same numbers.

02 · Bolus 4 · Episode 1767

Then he gave the prompt the same link

Two months of feeding Bolus 4, the Pro Tips, Bold Beginnings and the Warsaw episode into a deep-research model, arguing with it, and asking for a prompt. Here's what it sent back for one-eighth of the pie.

26:35
1Double pie crusttop and bottom28.2carb · 3protein · 17.7fat
2Chicken breast1.9 ounces — “half of four, just like you said”13.1protein · 2fat
3Flourthe thickener4carb · 0.8protein
4Butter in the saucea third of a cup, for the whole pie7.5fat
5Peas and carrotsa quarter cup5carb · 0.8protein
6Whole milkin the sauce0.8carb · 0.8protein · 0.8fat
One-eighth of the pie, per the prompt
0carb0protein0fat
The prompt's breakdown, read at 29:54 · every gram is what Scott read  ·  Click any piece to hear that moment
What Scott has been doing26:37

He didn't tell it the ingredients. He gave it a link.

Deep research in Gemini and ChatGPT, fed the Bolus 4 episodes, the Pro Tip series, Bold Beginnings and the Warsaw Method interview, then told to fact-check all of it on the internet and hand back a prompt in plain English. About three pages. It first cut the pie into six; Scott told it to make the serving one-eighth and re-evaluate. That's the only change he made.

The prompt · one-eighth · 1:10 · 50 · target 100 · blood sugar 13031:21
38carb18.5protein28fat
Up front
4.40u
3.8 carbs + 0.6 correction — “this has it as 4.4”
Then, over 5 hours
3.26u
3.3 fat-protein units
Theoretical requirement
7.66u
43% of it is not carbs

As Scott read it: immediate bolus 4.4, 3.26 fat-protein units, an extended wave of 3.25 units, total dose 7.65. Dual or square wave over five hours, pre-bolus thirteen minutes. The estimator's math on the same macros lands at 4.40 up front and 3.26 extended — a hundredth apart from the prompt on the extended, the rounding on 3.26 units.

Jenny versus the prompt31:26
7.6u
Jenny, in her head
35 carb · 20 protein · 30 fat. 4.1 up front, 3.5 extended over four to five hours.
7.65u
the prompt, off the link
38 carb · 18.5 protein · 28 fat. 4.4 up front, 3.25 extended over five hours, pre-bolus 13 minutes.

Scott: “Look how close you were on all that. That's amazing.” The 0.3 up front is three more carbs in the prompt's count. Jenny: “I was a little bit over in protein and fat just slightly. So that would make the difference too.”

What else the prompt handed back32:40

Because Scott taught it Meal Bolt, it wrote the L and the T for him.

  1. Look at the CGM at three hoursThe fat-protein units are on the low end of the five-hour bracket, 3.26. If you tend to run low, you could shorten to four hours — but the standard Warsaw protocol says five.
  2. Tweak for next timeSince the duration is shorter than the six-slice version, check that the tail of the fat and protein didn't outlast the insulin.
  3. Scott's point“Hire Jenny if you can. If your brain works that way, god bless you.” If it doesn't — and his doesn't — ask the thing.
Jenny's caution33:51

Always second-check what it's using. It missed the servings.

The recipe says eight right there, and the prompt cut it in six until Scott corrected it. Jenny's worry is the family that doesn't catch that: they put in all the insulin, they go low, and they gave it every right number. “It's a really, really important piece.”

The same pie, cut in six instead of eight34:25
50g carbs
Up from 38. Fat to 36.5, protein to 24.5.
5.6u up front
From 4.4. Three more carbs was 0.3; a bigger slice is a full unit.
4.2u extended
From 3.25, and stretched out longer — a bigger slice pushes the fat-protein units into the next bracket.
9.8u total
Against 7.65. “You cut that same pie into six pieces, it goes up by over, like, over two units.”
Where Jenny would actually use this36:07

“I always try to think what's usable.”

  1. A restaurant mealYou don't have the recipe, but you may have the ingredients. A better base to start from.
  2. The Friday-night meal you've never figured outChicken pot pie every week, eight weeks in, still guessing and nudging. Put the recipe in once, get the breakdown, and put a sticky note in the margin: this is exactly how to do this meal.
  3. Twenty mealsDo it for the twenty you make over and over and you've probably covered a good 80% of your management, especially dinners. Not 100% — the variables around a meal change — but a solid foundation.
03 · Bolus 4 · Episode 1767

Salmon dinner, and the rest of the toolbox

While Jenny was talking, Scott typed a second dinner into the prompt. Then he logged into the things that aren't public yet.

38:20
“Now do this for salmon, green beans, and mashed potatoes with a dinner roll”38:37

Same parameters. He didn't tell it anything about how any of it was made.

  1. Atlantic salmon, 6 ounces18 fat · 34 protein
  2. Mashed potatoes, 1 cup35 carb · 9 fat · 4 protein. Jenny: “It's about right.”
  3. Dinner roll, one16 carb · 2 fat · 3 protein
  4. Green beans, 1 cup7 carb · 4 fat · 2 protein. It came back with a bolus and an extended wave — Scott's caveat: he didn't say how the beans were cooked or what was on the roll. It's an estimate.
The strategy engine · same pie · 1:10 · 50 · target 90 · blood sugar 13046:19
38carb18.5protein28fat
Up front
4.60u
3.8 carbs + 0.8 correction to a target of 90
Then, over 5 hours
3.26u
3.3 fat-protein units
Theoretical requirement
7.86u
41% of it is not carbs

The hidden, password-protected page on Scott's site, fed the prompt's macros: 4.6 initial bolus, 3.26 for the fat-protein units, 7.86 combined, dual wave over five hours, wait thirteen minutes. Against the prompt's 4.40 / 3.25 / 7.65 — “they disagree by point two,” and that's the target being 90 here instead of 100. Jenny: “Which is negligible for most people.”

Basal math, from the episode about basal math47:45
130 lbstandard
Scott's test person: 130 pounds, standard sensitivity — most adults and preteens. Jenny's guess for the day's basal: “15. Just a rough.”
16.25u a day
What the page says. Pump setting 0.68 an hour, with a slider for a little less or a little more.
36sensitivity
Total daily dose 50, the 1,800 rule. Jenny: “Somewhere around thirty, thirty-five, 36.”
1:10carb ratio
Total daily insulin 50, the 500 rule. And a test: blood sugar 130, target 90 — use 1.1 units.
Takeaway51:32

“The future is now is what I'm saying.”

Scott's picture: start with your weight, get the three numbers, put them in the machine, then hand it a link to dinner. Ninety-seven disclaimers, maybe a five-dollar-a-month paywall to cover the tokens, and he still isn't sure he'll ever make it public. Jenny's question is why it doesn't already ship with every pump: your doses are prescribed and approved, and the app just puts them where they go and times them. “This isn't rocket science.”

Take a picture of this one

Things to remember from this one

The numbers that transfer to the next one.

2mg/dL a minute
Jenny's rate for a diagonal-up arrow. Thirty minutes of doing nothing is 60 points.
100cal = 1 FPU
One fat-protein unit is 100 calories of fat and protein, treated like 10 grams of carb.
10–12g per crust
Jenny's carb guess for a top or bottom crust in an eighth of a pie. Both together, about 24.
+2usix vs. eight
The same pie cut in six instead of eight: 7.65 units becomes 9.8. Check what serving size it's using.

“It's a magic trick to me.”

Scott Benner30:58

“I'm more pleased that it actually is verifiable what I know how to mentally compute.”

Jenny Smith41:06

“Hire Jenny if you can. If your brain works that way, god bless you.”

Scott Benner33:24

“This isn't rocket science.”

Jenny Smith52:28
The tool

Bolus 4 Estimator

Every number on this page, with your own settings.

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The method

Meal Bolt

The tutorial the whole series is built on.

Read it →
The collection

Every Bolus 4 page

Tap the cart and pick a food. One page per episode, with Scott and Jenny.

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Everything on this page is a simulation for education, not medical advice. Nothing here should change your insulin dosing without your care team.
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