Meal planning is the most obvious tip when sticking to a budget.
When you start to plan meals, you see similar ingredients that you can use for other recipes. Not only does this advice help reduce food waste, but it also helps avoid frequent dining out and paying for fast food.
Another tip is to avoid buying expensive pre-chopped vegetables and fruits if you can chop, cut, and slice your own.
Finally, know what your family actually eats and doesn’t eat and take those off the grocery list.
More meal planning tips here: https://sortmymoney.com.au/family-budgeting-weekly-shop/