In Hokkaido, the northern part of Japan, we have a local dish called Jingisukan which is lamb/mutton barbecue and it's commonly eaten. This dish is beneficial for warming your body during cold winter.
Lamb/mutton warms your stomach and relieves pains caused by chill and increases your appetite.

Nature – Hot（熱）
Channels – Kidney (腎), Spleen (脾), Liver (肝), Stomach (胃)
Flavor – Sweet (甘)

How does lamb/mutton help you?

1. Nourishes yang and warms up your body.

2. Nourishes your liver and kidney.

3. Nourishes vital energy (Qi).

4. Increases breast milk production.

Good for the following symptoms.

1. Sensitivity to cold

2. Pains caused by sensitivity to cold

3. Poor appetite

4. Fatigue

5. Chronic diarrhea

6. Irregular period

Cautions

It's essential to know about your body conditions before choosing foods.
Do not eat too much of particular foods at once.
Do not eat the foods you are allergic to.
There are foods to avoid if you are pregnant / have a disease, and also for children. Ask your doctor before you start Yakuzen food therapy.