Chamomile-Steamed Kabocha and Tofu Chawanmushi

Why it works

Egg and soft tofu together supply tryptophan plus glycine, an amino acid shown to lower core body temperature and improve subjective sleep quality when taken before bed; the custard's small carbohydrate load from kabocha squash helps shuttle that tryptophan toward serotonin and melatonin. The chamomile-infused dashi adds apigenin, a flavonoid that binds benzodiazepine-type receptors in the brain to promote calm and ease sleep onset, while tofu and kabocha contribute magnesium and potassium that support GABA tone and muscle relaxation. The dish is warm, low-calorie, and low in fat, so it settles the nervous system without taxing evening digestion.

Ingredients

• 2 large eggs
• 1 cup (240 ml) warm dashi (kombu-based), or vegetarian kombu-shiitake stock
• 1 chamomile tea bag (or 2 teaspoons dried chamomile in an infuser)
• 3 oz (85 g) silken/soft tofu, cut into small cubes
• 1/3 cup (50 g) kabocha squash, peeled and cut into thin 1 cm pieces
• 1 teaspoon light soy sauce or usukuchi
• 1/4 teaspoon mirin
• 1 thin scallion, finely sliced, for garnish

Method

1. Steep the chamomile in the hot dashi for 4 minutes, then remove the tea bag and let the dashi cool until just warm (hot dashi would scramble the eggs); stir in the soy sauce and mirin.
2. Meanwhile, steam or microwave the kabocha pieces for about 4 minutes until barely tender, and divide them with the tofu cubes between two small heatproof cups or ramekins.
3. Beat the eggs gently without frothing, then slowly whisk in the warm chamomile dashi and pass the mixture through a fine sieve for a silky custard.
4. Pour the egg mixture into the cups over the tofu and kabocha, and cover each loosely with foil.
5. Steam over low heat for 12-14 minutes until the custard is just set with a slight wobble in the center, then top with sliced scallion and serve warm as an evening snack.