I make this vegetable pasta sauce for three reasons - it's cheap and healthy and it uses up leftover vegies (cooked and uncooked) so I save three times!

Whenever I serve up a dish of vegies for dinner (usually broccoli, carrots, beans and zucchini in my house) and it isn't all eaten, I put the leftovers in a ziplock bag and throw it in the freezer. Then, when my fresh vegies are starting to get to that 'oh dear' stage, I start cooking!

In a big pot, with a bit of olive oil, I fry onion and garlic and add all the 'oh dear' vegies - sometimes there is a fiddly bit of broccoli that is too small to use in a meal or carrots that are starting to wilt. Other vegies I have added include celery, cauliflower, broad beans, spinach, cabbage and capsicum. I chop and cook all of this - in summer I add fresh tomatoes, in winter I throw in a couple of cans of Home Brand tinned tomatoes. To this I add the frozen leftover vegies, a squeezie stock concentrate or stock cube and some water.

I cook the whole lot until everything is soft, and then I blitz it in a food processor or with a Bamix until it looks like pasta sauce. I then freeze this in meal-size portions and use it for everything - I add it to mince for bolognese, or just use it neat. My kids don't know it's full of vegies - they just think it's another jar of commercial pasta sauce!

At 12 years old, my daughter is already helping our family save money on snacks using her Simple Savings skills! With five children in the house, we do a big shop just once a month and are careful to make our food and treats last until the next shop. Recently we were nearing the end of the month and getting low on food. I arrived home one day to find my daughter baking biscuits. 'They're Doos!' she told me. 'You always said if there was nothing in the cupboard, we had to make do, so I made Doos!'

The name has stuck in our house and now whenever we have 'nothing' in the house for lunch boxes, snacks or afternoon tea, she just makes a batch of 'Doos' using whatever she can find in the pantry to 'make do' with. She is proving to be very inventive with her recipes and is turning out to be a real baker. She'll turn out simple but delicious treats such as honey joys, choc chip biscuits, Anzac biscuits, pikelets and pancakes in no time at all! She really has shown that you can make something from almost anything in the pantry and would be wonderful at the $21 Challenge! Here is the recipe for her latest creation, called 'Sort of Scones!'

1 cup oats
1 cup self raising flour
1/2 cup sugar
125g butter
1 egg
1/4 cup milk

Mix all ingredients together, then roll into balls and place on a greased baking tray. Bake in a moderate oven (around 180C) for 10 minutes.

I couldn't be prouder of my daughter's efforts to help us save money and keep everyone well fed. Whenever we think our parenting has a lot to be desired, it's moments like this which prove we have to be doing something right - good things do rub off too!

To help me stick to my budget, I use the 'purse system', where I allocate a certain amount of money each payday to pay for different things, for example, petrol or groceries.

I found the envelope system aesthetically unappealing and difficult to operate, so I purchased a number of small pencil cases from Office Works; they're the perfect size to fit dollar notes into and any receipts for that particular 'budget purse'. I have a red case containing money for my groceries, a black case for my petrol and so on. They are also attractive enough that I use them as my wallets for these purposes; unlike envelopes, I am never too embarrassed to pull a case out and carry it into a shop. The cases cost $8.00 each but they motivate me to stick to a budget - a huge long-term saving!

Use this one basic mix to make scones, scrolls, pikelets, pancakes and waffles! It will save you heaps of time and heaps more money!

SUPER BAKE-ANYTHING MIX:

In a large Tupperware container, mix:

2 kg packet SR flour

2 tbs + 1 tsp salt

1/3 cup + 1 tbs + 1 tsp sugar.

SCONES:

In bowl, add two cups baking mix. Rub in 2 tbs butter until mixture looks like breadcrumbs. Stir in 3/4 to 1 cup of milk, until moist but not too sticky. Don't overmix. Roll lightly and cut into shapes with biscuit cutter. Place on lightly floured baking sheet. Bake 10-12 minutes until golden.

SCROLLS:

Complete mixture as for scones. Roll out with rolling pin until 1 cm thick. Spread with softened butter, 1/2 cup brown sugar and a little cinnamon. Roll up tightly from long edge. Cut scrolls into 2 cm slices. Bake on baking tray 10-12 minutes.

Variations: Use your favourite jam or make pizza scrolls using tomato paste, ham & cheese.

PIKELETS/PANCAKES/WAFFLES:

To two cups of mix, add one egg, 1+ cups of milk, 1 tbs oil. Beat together until thick but slightly runny. Makes small pikelets, large pancakes or waffles.

Smaller portions means larger savings, as you'll see in this hint.

After having a little money left over from a gift voucher, I purchased a set of three small loaf tins. (each tin holds 1/3 of a normal cake mix). I made up a chocolate cake mix and baked it in three tins. I kept one cake aside and put two in the freezer as soon as they were cold. This meant the cake lasted three days instead of just one. I remove the bar cake from the freezer each morning and not long after the kids are enjoying their smaller slices of cake, with no complaints.

I have since carried this over to savoury dishes. When I make meatloaf, I put the mixture into one large tin as well as the three smaller tins. We eat the larger meatloaf for dinner and I freeze the other ones for lunches. This is working really well for me and the savings are huge.

I save over $50 per month on skin care preparations for my children's teenage skin. With four of them, I have spent a fortune over the years on pimple creams, Panoxyl at $12 a tube and the latest Diprovan cream at $52 per month.

Once, we ran out and in exasperation I advised my daughter to use bicarbonate of soda and lemon juice. It works! Cut a lemon in half and save one half covered in the fridge for later use. Rub the other half on affected areas and use as a cleanser. Rinse, then cut a slice off the top, wrap in cling film and place in the fridge. Then mix one teaspoon of bicarbonate of soda with a small amount of water to make a paste. Dab onto affected pimples and leave for half an hour. Then rinse off. (Perfect for evenings when doing homework!)

The lemon acts as an astringent and is antibacterial. The bi-carb dries up the excess oil causing the pimple.

For a cheap and effective moisturiser we use Vaseline Intensive Care at $8.00 a bottle, which lasts six months. A total cost of $26 (lemons from the garden) per year and my daughter has recommended this to all her friends. Much better than $600 spent at the chemist each year!

During my uni student years I developed a menu-planning and grocery shopping system that allowed me the freedom to eat well, generously fuel my bicycle-based lifestyle, entertain guests regularly and experiment with new recipes, all within my strict food budget of just $15 a week!

It works like this.

1. Decide how much you will spend on your weekly groceries. In recent years I have had to increase my spending to about $21 a week due to rising food costs and CPI, but the system still works really well when I use it and is a great way to separate needs from wants.

2. Choose the staples and basics that are to be made every week as needed. These could include soy milk, tofu, sourdough bread, yoghurt, sprouts, hummus, fresh lemon cordial, Anzac bickies, gomasio or whatever else you require.

3. Give the ingredients needed to make these staples first priority when making the weekly shopping list. If you have a local food co-op you can buy mostly organic ingredients with minimal packaging in exactly the amounts you need.

4. Check what else is in the fridge, cupboard, garden or neighbours' garden and pore over your large collection of second-hand recipe books to see what can be created with these other ingredients. Recipes which require two or less extra (and inexpensive) ingredients are preferred and a list of these and their corresponding cookbooks/page numbers is made and stuck on the fridge. There will usually be a selection of mains, side dishes, desserts, treats and beverages on the list.

5. Give the extra ingredients needed for the chosen recipes next priority on the shopping list. Over time you will intuitively know when your shopping list is 'full'.

6. Once out shopping, specials of the day such as a big bag of discounted apples or cheap cooking tomatoes take third priority. If not consumed within the week, these can form the basis of recipes chosen for the following week.

7. Last priority (and usually only considered after the register shows you are still under budget) are those inevitable temptations that one wants rather than needs. It often helps me to take my recipe list with me and remind myself that I can make a delicious self-saucing carob pudding at home for a fraction of the cost of the tiny chocolate bar I am now contemplating. All of a sudden the money seems much better spent on a kilo of brown rice!

8. Back at home, simply cross the recipes off the list as they are made. There will always be plenty of food for dinner parties or last-minute guests, and the sometimes tiresome decision of 'what to cook?' becomes easy.

Using this system I have never run out of food or felt like there was 'nothing to eat'. In contrast, I have stayed at many houses where, despite having pantries and fridges which are bursting with food, the occupants have driven to the supermarket and easily spent $30 or $40 just to cook up dinner for the night.

Seems unbelievable? Try scratching every processed food item off your own shopping list and see how many more kilos of real food you can come home with for the same amount of money. Don't forget too, to keep an eye out for trees in public areas which are loaded with fruit or nuts. I have used the $15 a week food budget for stretches of up to a year at a time, which means I certainly wasn't relying on stockpiles of food from more extravagant days tiding me over. Necessity breeds creativity, and I am so happy to have been forced early on to examine and separate my wants from my needs in this regard. Even when times are tough, I know I can eat well!

I have read heaps about menu planning but found it all just so overwhelming. Choosing a menu for a whole month seemed like a lot of hard work but I have found a way to help even the most disorganised person.

Starting on the first day of a new month, and using a calendar or diary, write down what you have for dinner each night of the month. You will soon see what meals you eat on a regular basis. You can then transfer this information to the next month in your calendar or diary, and there is your monthly menu plan!

In the spirit of getting organised for May, my tip has to do with letting go of control and coming up with organisational ideas that work with the people you love.

For example, my partner is a wonderful, talented individual who wouldn't know how to put away his clothes even if he was bribed! Clothing was constantly strewn over the floor, on the furniture or stuffed into cupboards and this drove me to distraction on more than one occasion.

Finally it dawned on me that the neatness issue was mine and the organising issue was his, so I discussed what would work best for him. I found out that he would prefer a single place to keep all his clothing, something portable and easy. I went away and, based on what he had told me, set up a system consisting of one large plastic tub on wheels and one small wicker basket. I placed both of these in the bottom of the wardrobe.

Clean clothes now go in the tub and dirty clothes in the basket. When the wicker basket is full, it goes in the wash; I made sure the basket was the same size as a machine load. When washed and dried, the clothes go from the basket back to the tub. Simple!

Now I have a clean bedroom and my partner can always find clean clothes. As a bonus, he's reduced his washing by two-thirds because he is only washing dirty clothes, not a mixture of clean and dirty.

Best of all, there is no longer friction surrounding the tidiness of the bedroom. The idea of working with those you love to create a harmonious living environment, where their needs and ways of doing things are heard and acted on really can have a positive impact, both financially and emotionally.

My washing requires a fabric softener as my laundry gets hard and coarse if they're washed and dried without it, but I hate spending up to $4.00 per bottle, so came up with this cheap solution.

It works brilliantly. I now buy a home brand or extremely cheap hair conditioner (no, NOT a shampoo!) This costs $0.80c to $1.90, per 500 mls or one litre.

All you do is squirt a tiny 10 cent size dollop into your fabric softener holder, then fill up the remainder with very hot water.

I now have fluffy towels all the time, and the cheap conditioner option has worked out to be a bottle every six months or so, instead of spending lots of money per week on commercial 'fabric softeners'.