Here is a simple overview of what Jain foods are, based on Jain principles:

• Core idea: Food should not harm any living being. The diet is strictly vegetarian and aims to avoid violence (ahimsa) in every step, from farming to cooking to eating.

• Common constraints:

- No eggs, meat, fish, or animal-derived products that involve killing. - No intoxicants (alcohol,even recreational drugs) and often no honey. - Many Jains avoid root vegetables to minimize harm to underground life and to prevent the underground harvesting from killing organisms (examples: onion, garlic, potatoes, carrots, radishes, beets, turnips). The extent of this restriction can vary by family and community; some may allow certain root vegetables in limited ways, while others avoid all roots.

• Plant foods that are commonly accepted:

- Grains and cereals (rice, wheat, millet, etc.) - Legumes and pulses (dal, chickpeas, lentils) - Fruits and most vegetables that do not involve root vegetables (leafy greens, gourds, squashes, cucumbers, tomatoes, peppers, beans, peas, etc.) - Nuts and seeds (where not roasted with non-vegetarian ingredients) - Dairy products such as milk, yogurt, ghee, and butter are often used, but some sects prefer to avoid dairy from certain sources or avoid meatless products that imitate animal products.

• Preparation and conduct:

- Food is prepared with mindfulness for non-violence and cleanliness; many Jains prefer freshly prepared meals and avoid foods that involve processing that could involve cruelty or contamination. - Some observe vrat (fasting days) or temporary dietary restrictions (for example, avoiding grains on certain days, or only eating once a day during fasting periods).

• Digambar vs. Shwetambar notes:

- There are differences in practice among Digambar and Shwetambar communities. In general, the emphasis on ahimsa is shared, but the rules about root vegetables and dairy can vary. If you need precise guidance for a specific tradition, it’s best to ask a local Jain teacher or family from that tradition.

If you’d like, I can tailor this to a particular Jain tradition (Digambar or Shwetambar) or provide examples of a typical Jain-day meal plan that follows these principles.