Jewish dietary laws prevent mixing meat and milk in one dish.
New York Jews love Chinese food because it doesn't mix meat with milk.
They do not mix milk products and meat, and keep separate sets of dishes for each.
Mixing meat and milk in unglazed pottery can create a culture medium for typhoid-producing bacteria.
One finds recipes that mixes fish and meat.
Observant Jews never mix meat with dairy products.
But observant Jews, who can't mix dairy products and meat, can use only the heavier chicken or goose fat.
Consider later rabbinic prohibitions against mixing milk and meat at a meal.
Even if mixing meat and milk wasn't kosher, it sounded good to me.
He divides food into groups, never mixing two vegetables or meat and vegetables.