Beef stew goes most smoothly when you set expectations before the pan goes on. This is not a fast recipe where children get an instant result. It is a recipe where they help build dinner, then time and heat do the quiet work. Say that out loud and the waiting feels more like part of cooking and less like being told to go away until dinner is ready.
Start by separating the child-friendly prep from the raw meat job. Put the beef on one side for the adult, then set up a steady chopping board for carrots, onion and potatoes. Carrots are firm, onion can be slippery, and potatoes may need halving by an adult first. Choose the job that gives your child success rather than handing over the hardest piece first.
Browning beef is the grown-up stretch. Use a large pan, do not crowd it too much, and let the beef sit long enough to colour before stirring. If it spits or the child gets nervous, step back from the idea of perfect browning. The flavour is lovely, but a calm kitchen is worth more than a deeply browned batch of beef.
When the vegetables and flour go in, the child can come closer again if they are steady around the hob. Flour can clump or catch on the bottom, so this is a good moment to teach slow scraping rather than frantic stirring. Adding tomatoes and stock turns it into a proper sauce; scrape the bottom of the pan so any floury bits dissolve instead of sticking.
The oven time is a patience lesson. Let children know what you are waiting for: beef that feels tender, potatoes that are soft, and sauce that looks thicker than when it went in. If they need a job during the hour, ask them to set bowls out, check the timer, or draw a tiny before-and-after of what they think the stew will look like.
At the end, give the stew a few minutes to settle. It holds heat in sneaky places, especially potatoes and sauce. Once the adult has checked the texture and temperature, hand back a safe serving job where you can: spooning vegetables, choosing a bowl, or noticing how the separate ingredients have turned into a proper stew.