soup (chicken, lamb, beef, vegetable), salad,
Don't you mean "starters?" I recommend kosher hot dogs in a blanket.
Kashrut refers to the rules of food preparation and consumption, any food that is produced according to these rules is kosher. Kosher is not a style of cooking.
Commercial sourdough starters are available although it is possible and perhaps preferable to use one from a friend who maintains their own active culture. This is because sourdough starters are a trial and error process. You start cultures and discard bad ones until you hit one you like. In terms of ingredients a culture doesn't have to be a dairy one and the basic ingredients can be kosher. I'm not sure if there are kosher commercially available cultures and there may be a problem in diluting out them since batul bashishim doesn't seem to apply.
It is kosher so long as it is certified kosher.
Fox meat is not kosher. See:More about what is and isn't kosher
It needs to be cooked in a kosher vessel and have kosher ingredients. If purchased, it (or the bakery) should have kosher-certification.
Yes and no. There are many recipes that can be made kosher with kosher substitutes.
Delicatessen places serve kosher food. And if you are talking about 'deli' food, it is usually kosher. _______ Delis are only kosher if they're kosher certified. Most delis aren't kosher.
Yes! You don't need a kosher cookbook. Just remove the non-kosher ingredients.
They can eat a kosher diet, and be slaughtered the kosher way.
It would be kosher if it came from a kosher animal.
It can be if it's made with kosher ingredients in a kosher kitchen.