Not much that is good. I would recommend you get the kitchen.
An oven
you need a kitchen and indigo grass and cook it
Cook Bread and Cheese in a Pot in your Kitchen.
You have to make it. For this you need to have built the kitchen and own a blender. Then all you do is blen milk to get butter.
You will need a Kitchen and a Pot. Take Milk of any size and cook it in the Pot.
You cannot make Potato Chips in Harvest Moon D.S. Cute
You can buy food from the Dinner and Cafe once they open. Or after you upgrade your house you can buy a kitchen and make food yourself.
Their are two types of wine on Harvest Moon D.S. You can buy wine from the Supermarket (Over the phone) You can make wine with your cooking pot in you kitchen on harvest Moon. This is the recipe for wild grape wine. (Down below!) (wild) Grape + Wine + Purple Grass (Put all of those ingredients in your cooking pot.)
No. You can not have a child in Harvest Moon: Hero of Leaf Valley.
It comes when you buy your kitchen. It is just blank with a knife. You can make foods on it that don't require Ovens or the Cooking Pot.
You can't.
The best way to make someone happy in any Harvest Moon game is to give them gifts they like.