$5424.81   That's my grocery bill for all of 2010. I decided last year that I wanted to finally get a grasp on exactly how much money I spent on food, so I kept a tally of all my grocery expenses.   This total does not include restaurant or convience store expenses. Though for 2011 I think I'll keep track of everything, and perhaps seperately too, so that I can see how much I spend on groceries c…