Here's a log of what we paid for what groceries where and when. We use this to calculate the prices of our meals and for comparison shopping. Warning: food prices are notoriously unstable, and dinner prices reflect approximate amounts that we paid that particular week...
Note that for per-unit calculations we calculate per-cup for dry goods and liquids, per teaspoon for spices, per piece for produce, per can for canned goods, and per pound for meat.
To view this spreadsheet as a Google Doc click here.
