Roasted Pumpkin Seeds with Tamari

Why this works for founders

Pumpkin seeds are one of the highest-magnesium foods by weight. They're also a solid plant source of tryptophan, the precursor to both serotonin and melatonin. This means snacking on them in the afternoon supports the cascade your body needs to actually fall asleep that night — instead of, say, a chocolate bar that spikes glucose two hours before bed.

Ingredients (4 servings)

• 1 cup raw pumpkin seeds (pepitas)
• 1 tbsp olive oil
• 1 tbsp tamari or low-sodium soy sauce
• 1 tsp smoked paprika
• ½ tsp garlic powder
• Pinch of cayenne (optional)

Steps

1. Heat oven to 175°C / 350°F.
2. Toss everything together in a bowl until seeds are evenly coated.
3. Spread on a parchment-lined sheet pan in a single layer.
4. Roast 12–15 minutes, stirring once, until fragrant and slightly darker.
5. Cool completely on the pan — they crisp up as they cool.
6. Store in an airtight jar for up to 2 weeks.

Macros per serving (¼ cup, approx)

• Calories: 180
• Protein: 9g
• Fat: 14g
• Carbs: 6g
• Magnesium: ~150mg

Founder note

Eat these around 3–4pm. The magnesium needs 4–6 hours to peak in CNS, which lines up with your natural cortisol drop and the start of melatonin production.

The deeper logic

Raw pumpkin seeds (pepitas) carry roughly 150 mg of magnesium per
quarter cup serving — roughly 35 percent of the daily value. They
are also one of the higher dietary sources of tryptophan at
576 mg per 100 g. Tryptophan is the precursor to both serotonin
(via 5-HTP and aromatic L-amino acid decarboxylase) and melatonin
(via N-acetylserotonin and ASMT). The afternoon serving of pumpkin
seeds therefore sits exactly in the precursor-pool window that
supports the evening melatonin rise.

The magnesium-and-tryptophan combination is mechanistically
useful: magnesium is a cofactor in the enzymatic conversion of
5-HTP to serotonin. A magnesium-deficient diet can blunt the
synthesis even with adequate tryptophan intake. The seeds carry
both at a high density; the combination is more useful than
either alone.

Roasting at moderate heat (175 C / 350 F) preserves the magnesium
content (magnesium is stable to heat) and the bulk of the
tryptophan. Aggressive high-heat roasting can degrade tryptophan
and produce small amounts of advanced glycation end products
from the seed-oil oxidation; the 12 to 15 minute window in the
recipe is well inside the safe range.

Why this is an afternoon snack

The mechanism the recipe is leaning into: magnesium reaches plasma
equilibrium roughly 4 to 6 hours after ingestion. A 3 to 4 pm
serving lands the magnesium at the right point in the circadian
arc — late enough that the supportive sleep effect is timed
correctly, early enough that the digestion is complete before bed.

Pumpkin seeds also have a satisfaction profile that beats most
afternoon-desk snacks. The chew-and-spit habit (the shells of
in-shell pumpkin seeds, if you go that route) extends the eating
window and reduces the speed at which the calorie load arrives.
Shelled pepitas skip the shell ritual but are easier on the desk.

Substitutions

• No tamari: soy sauce (similar flavor, contains wheat — not
  gluten-free), coconut aminos (sweeter, lower sodium), or just
  salt.
• No olive oil: any high-heat oil — avocado oil, refined
  coconut oil. Avoid butter, which burns at this temperature.
• No smoked paprika: regular paprika, chipotle powder, or
  cayenne. Each shifts the flavor; smoked paprika is the
  recommended version.
• No cayenne: skip. The cayenne is optional for heat tolerance.

Storage detail

Cooled seeds hold 2 weeks at room temperature in an airtight jar,
3 months refrigerated. The crispness degrades through week 2;
re-crisp by toasting in a dry pan for 60 seconds.

Do not refrigerate before they have fully cooled — the moisture
from condensation softens the texture.

Common mistakes

• Toasting too hot. 200 C / 400 F burns the surface before the
  interior is toasted; 175 C / 350 F is the safe window.
• Skipping the stir at the halfway mark. The seeds toast unevenly
  without it; the bottom layer over-darkens.
• Using too much tamari. The seeds absorb the sauce; over-soaking
  produces seeds that taste burnt-salty rather than nutty-toasted.
  One tablespoon per cup of seeds is the upper bound.

The seeds are the founder afternoon-desk constant. A jar of these
plus a glass of water is the 3 pm tool the kit needs. The
magnesium-and-tryptophan arc takes care of the rest by 11 pm.