One study shows kosher products have increased by 20 percent over the last four to five years. Muslims, vegetarians and people who are concerned about what they are eating are going kosher. Kosher is a set of dietary laws, taken from the Five Books of Moses, about the acceptability of certain foods.
Food is very clean.
For example, lettuce is washed and rewashed in salty water, to make sure all of the bugs are out. We found that cooking kosher can be a little difficult. You aren't allowed to eat dairy and meat in the same meal. You can't even use the same utensils for both. You've heard of kosher delis.