How much veg do I need to feed my family of 6 So the only way to work this out is to go though what we eat summer, winter and every week, this year I won’t be taking into consideration potatoes. Then calculate how many Lbs or individual items I need to grow. This will take a bit of time but I think its the only way to work it out. Winter is made up of stew, bolognese, roast dinners, pies dinners and pizzas. Summer is obviously salad, pizza and salad, pasta salad with roast on Sundays. Tomatoes are used a lot in my house as mentioned we have bolognese salads also in sandwiches, lasagne, on toast and the list goes on. We use a jar of passata a week, 2 tins of chopped tomatoes and about 6 fresh ones a week in Autumn/Winter and about 6 large and 12 cherry tomatoes a week Spring/Summer. Estimated Tomatoes 100 Lbs a year Onions ...