I decided just recently to cut my trips for groceries to once a week. Just felt like I was constantly shopping and buying things I dont really need on every trip.

Here is approximately what I get for 2 adults and a small kid (not much different from the one already posted):

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Meat & Co:
- around 4lbs of chicken drumsticks (use them the same as DoubleD )
- 4.5lbs of mince meat for taco salads and tacos for the rest of the household
- Whole chicken or some chops depending on what we feel like
- some smoked meats for snacks
- eggs


Fruits and veggies:
- 6 red/green peppers
- tomatoes
- cucumbers
- 2 large lettuces
- zucchini
- mushrooms
- garlic
- spring onions
- one large cauliflower (for caulirice)
- 3-4 avocados

- 3-4 packs of blueberries
- 2 packs of strawberries
- 2 packs of rasberries (if good price)
- peaches
- 1 or 2 melons
- lots of bananas for the little one

Dairy:
- Parmesan (for adding some flavour here and there)
- Mozzarella (great as a quick snack with some smoked meats)
- Extra tasty cheddar (for taco salads)
- Feta (for veggie salads)
- Cream (every so often, I dont use much)
- Butter
- Yoghurt
- Sour cream (for taco salad)

Other/Top ups when needed:
- macadamia nuts (bag of 1lb)
- top up my almonds reserves
- Extra Light Olive Oil (for cooking)
- Extra Virgin Olive Oil (for salads)
- Soy Sauce (for caulirice)
- canned sardines (for snacks)
- smoked salmon

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Thats all I can think of at the moment. It is working for us so far. And I love not spending every free moment of my life in the stuped mall.
Plus I shop at the markets where food is cheeper.

Hope that helps somehow.