When I get got up,it is was (already) 12 o'clock. As my family went to their company, I had to cook by myself. So I went to the supermarket to buy the original material of ingredients for my meal. I bought broccoli, pork and spinach. When I got (back) home, I cooked them. I ate them and drunk drank the rose liquor. It was a good lunch.

Well written! 

I have made a few corrections to make the sentences more natural :)